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1 mallory ignition www.malloryracing.com hyfire 6al2 electronic ignition control part no 6861M installation instructions form 1643 general information the hyfire 6al2 includes a two stage rpm limiter. you can set various rpm limits using the switches that are located in the end bracket. see figure 1 of this instruction form for more information about the rev limiting features. battery the hyfire 6al2 ignition control operates on any negative ground, 12 volt electrical system with a distributor. it will also work with 16 volt batteries and can withstand a momentary spike of 24 volts in case of jump starts. this system delivers full voltage with a supply of 10-18 volts, and operates with a supply voltage as low as 8 volts. if your application does not use an alternator, allow at least 15 amp/hours for every half hour of operation. if you crank the engine with the same battery or other accessories, such as an electric fuel or water pump, increase the amp/hour rating. coils for optimum performance with your hyfire 6al2 ignition control, we recommend a mallory promaster coil p/n 29440 or 30440 or 30441 mallory promaster e. for continuous high rpm use, coil part numbers 29625, 30625 or 30626 can also be used. you may also use most stock coils or aftermarket coils designed as stock replacements. note: do not use mallorys promaster coil p/n 28880. tachometers the yellow wire on the hyfire 6al2 ignition control provides a trigger signal for tachometers, shift lights, or other add-on rpm activated devices. this wire produces a 12 volts square wave signal with a 20% duty cycle. some vehicles with factory tachometers may require a tach adapter to work with the hyfire 6al2 ignition control. if your gm vehicle uses an inline filter, it may cause the tach to drop to zero on acceleration. if this occurs, bypass the filter. for more information on tachometers, see page 4. spark plugs using the correct spark plug and heat range is important for optimum performance. because there are so many variables to consider, we suggest starting with your engine manufacturers spark plug recommendation. from there, you can experiment with small changes in plug gap and heat range to obtain the best performance from your engine. use the chart at right as a starting point. we also recommend non-resistor spark plugs. foreign vehicles because of modern fuel injection systems, some foreign vehicles may require a tachometer/fuel injection adapter to work with the hyfire 6al2 ignition control. note: do not install the hyfire 6al2 ignition control in any vehicle that is originally equipped with a cd ignition control. spark plugs and wires high quality, spiral wound wire and proper routing are essential to the operation of the hyfire 6al2 ignition control. this type of wire provides a good path for the spark to follow while minimizing electromagnetic interference (emi). note: do not use solid core spark plug wires with the hyfire 6al2 ignition control. routing wires should be routed away from sharp edges, moving objects, and heat sources. wires that are next to each other in the engines firing order should be separated. for example, in a chevy v8 with a firing order of 1-8-4-3-6-5-7-2, the #5 and #7 cylinders are positioned next to each other on the engine as well as in the firing order. voltage from the #5 wire could jump to the #7 wire. this could cause detonation and engine damage. for added protection against cross-fire, mallory offers pro shield insulated sleeving. pro shield is a glass woven, silicone coated protective sleeve that slides over your plug wires. it also helps reduce damage from heat and sharp objects. 1 hyfire 6al2 ignition control 4 #10 sheet metal screws 2 wire ties 2 ring terminals, insulated 1 1-amp/100 volt diode 2 1/4" tab terminals 5 1/4" male disconnects 5 1/4" female disconnects 1 rubber grommet 2 cable clamps 1 magnetic pickup extension parts included:
www.malloryracing.com 2 rotary switch position examples switch #1 switch #2 rpm limit 1 0 1,000 2 4 2,400 2 5 2,500 6 0 6,000 7 8 7,800 9 9 9,900 auxiliary rpm limiter the auxiliary rpm limiter is adjusted using the pair of rotary switches on the right side of the end plate. they are adjusted the same as the main rpm limiter, the left switch of the pair is used to adjust the 1,000s and the right switch of the pair adjusts the 100s. mounting the hyfire 6al2 ignition control can be mounted in any position. if you mount it in the engine compartment, keep it away from moving objects and heat sources. do not mount the unit in an enclosed area, such as the glove box. when you find a suitable location to mount the unit, make sure all wires of the ignition reach their connections. hold the ignition in place and mark the location of the mounting holes. use a 1/8" drill bit to drill the holes. use the supplied self-tapping screws to mount the box. wiring wire length all of the wires of the hyfire 6al2 ignition control may be shortened as long as quality connectors are used or soldered in place. to lengthen the wires, use one size larger gauge wire (12 gauge for power leads, 16 gauge for all others). use the proper connectors to terminate all wires. all connections must be soldered and sealed. grounds a poor ground connection can cause many frustrating problems. when a wire is specified to go to ground, connect it to the chassis. always connect a ground strap between the engine and chassis. connect any ground wires to a clean, paint-free metal surface. ballast resistor if your vehicle has a ballast resistor in line with the coil wiring, it is not necessary to bypass it. this is because the hyfire 6al2 ignition control receives its main power directly from the battery. miscellaneous information sealing do not attempt to seal the hyfire 6al2 ignition control. all of the circuits of a hyfire 6al2 receive a conformal coating of sealant that protects the electronics from moisture. sealing the hyfire 6al2 will not allow any moisture that seeps in through the grommets to drain and may result in corrosion. welding to avoid any damage to the hyfire 6al2 ignition control when welding on the vehicle, disconnect the positive (red) and negative (black) power cables of the hyfire 6al2 ignition control. it is also a good idea to disconnect the tachometer ground wire as well. distributor cap and rotor we recommend installing a new distributor cap and rotor when installing the hyfire 6al2 ignition control. be sure the cap is clean inside and out, especially the terminals and rotor tip. on vehicles with smaller caps, it is possible for the air inside the cap to become electrically charged causing crossfire which can result in misfire. you can prevent this by drilling a couple of vent holes in the cap. drill the holes between terminals at rotor height, facing away from the intake. if needed, place a small piece of screen over the holes to act as a filter. hyfire 6al2 diagnostic led on the end panel of your hyfire 6al2 ignition there is a small hole. behind this hole is a red led indicator. this serves two purposes: when you first turn on the ignition switch, the led will flash rapidly 3 times. this indicates that the ignition system has power, and that the microprocessor is running properly. in addition, the led will flash when receiving a proper trigger signal from the vehicle. if, after a normal power-up, the led doesn? flash when cranking the engine, you should check your triggering circuit for problems. if the led flashes when the engine is cranked, but there is still no spark, the problem lies somewhere else. hyfire 6al2 cylinder selection your hyfire 6al2 ignition comes from the factory set up for 8 cylinder operation. if you want to use this ignition with a 4 or 6 cylinder engine, rotate the center rotary switch, accessible through the end plate, to the proper number of cylinders. to select the 4 cylinder mode, turn the switch to the ? position. see figure 1. rpm limiter settings main rpm limiter the main rpm limiter is adjusted by using the pair of switches on the left side of the end plate. the left switch of the pair is for 1,000s and right is for 100s. to eliminate the rpm limiter, simply rotate the switches to a setting above the engines maximum rpm. see figure 1. figure 1 main rpm limiter cylinder s elect led aux rpm limiter 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0
3 mallory ignition www.malloryracing.com from hyfire ? via white black u s in g the ma g netic pickup wire to tri gg er the hyfire via u s in g the white wire to tri gg er the hyfire via connects to purple black magnetic pickup purple green common colors for mag pickup wires distributor mag + mag mallory crank trigger purple green mallory billet competition distributor, series nos. 81 and 84 orange purple mallory comp 9000 series nos. 96-99 orange purple mallory harness p/n 29040 red black msd orange/black violet/black msd crank trigger orange/black violet/black ford orange purple accel 46/48000 series orange/black violet/black accel 51/61000 series red black chrysler orange/white black wire functions power leads (enclosed in 6 of black shrink tubing) the two heavy gauge wires (14 gauge) that deliver battery voltage to the ignition: heavy red connects directly to the battery positive (+) terminal or to a positive battery junction. it could also be connected to the positive side of the starter solenoid. note: never connect this wire to the alternator. heavy black connects to frame or chassis ground. trigger and coil leads small red connects to a switched 12 volt source, such as the ignition key. orange connects to the positive (+) terminal of the coil. note: this is the only wire that makes electrical contact with the coil positive (+) terminal. small black connects to the negative (? terminal of the coil note: this is the only wire that makes electrical contact with the coil negative (? terminal. trigger wires either of two circuits will trigger the hyfire 6al2 ignition control: a points circuit (white wire) or a magnetic pickup circuit (violet and green wires). note: the two circuits will never be used together. white connects to points, electronic ignition amplifier output or to the green wire of a mallory timing accessory. when this wire is used, the magnetic pickup connector is not used. violet/green these wires are routed together in one harness to form the magnetic pickup connector. the connector plugs directly into a mallory distributor or crank trigger. it will also connect to factory magnetic pickups or other aftermarket pickups. the violet wire is positive (+) and the green is negative (?. when these wires are used, the white wire is not used. consult the chart that shows the polarity of other common magnetic pickups. yellow connects to the tachometer. blue this wire is used to activate the auxiliary (staging) rpm limiter. it is activated by applying 12 volts to the wire. routing wires route all wires away from heat sources, sharp edges, and moving objects. route the trigger wires separate from the other wires and spark plug wires. if possible, route them along a ground plane, such as the block or firewall, which creates an electrical shield. the magnetic pickup wires should be routed separately and twisted together to help reduce extraneous interference. warning: the hyfire 6al2 ignition control is a capacitive discharge ignition. high voltage is present at the coil primary terminals. do not touch these terminals or connect test equipment to them. prestart checklist the only wires connected to the coil terminals should be the orange connected to coil positive (+) and black connected to coil negative (?. the small red wire is connected to a switched 12 volts source, such as the ignition key. power leads are connected directly to the battery positive and negative terminals. if you?e not using an alternator, the battery should be connected and fully charged. the engine is equipped with at least one ground strap to the chassis. theft deterrent the hyfire 6al2 ignition control provides an easy way to install a theft deterrent kill switch. see figure 2. white wire trigger when using the white wire to trigger the hyfire 6al2 ignition control, install a switch to the white wire and the other side to ground. when the white wire is grounded, the vehicle will crank but will not start. magnetic pickup trigger when using the mag pickup to trigger the hyfire 6al2 ignition control, install a switch across the magnetic pickup violet wire to ground. when the violet wire is grounded, the vehicle will crank but will not start. figure 2
for early g m vehicle s attach diode to #4 terminal for ford vehicle s attach diode to #1 terminal 1a-100v diode to char g in g li g ht s plice here delcotron alternator 1a-100v diode to char g in g li g ht s plice here s mall red from hyfire ? via 12 volt i g nition s witch chry s ler dual balla s t re s i s tor white wire from hyfire ? via from point s or amplifier www.malloryracing.com 4 tachometer compatibility list aftermarket white wire magnetic trigger tachometer trigger connector autogage 29074 29078 autometer ford motorsport moroso stewart 29074 29078 s.w. & bi torx sun 29074 29078 vdo 8910 29078 amc (jeep) 29074 29078 chrysler 29074 29078 ford (before 1976) 29074 29078 ford (after 1976) 29074 29078 gm bypass in-line bypass in-line filter filter imports 29074 29078 troubleshooting this section offers several tests and checks you can perform to ensure proper installation and operation of the hyfire 6al2 ignition control. if you experience a problem with your hyfire 6al2, first check for proper installation and poor connections. you can eliminate many problems by checking these items. if you have any questions concerning your hyfire 6al2 ignition control contact the mallory technical service department at 216-688-8300, option 5. tach/fuel adapters if your tachometer does not operate correctly, you probably need a mallory tach adapter. consult the tachometer compatibility list at right for common tachometers and compatible tach adapters. no-run on foreign vehicles some foreign vehicles with fuel injection systems may require a tachometer/fuel injection adapter to run with the hyfire 6al2 ignition control. often, the same trigger source is used to operate an ignition, tachometer, and fuel injection. this results in a voltage signal that is too low to trigger the fuel injection. a tach/fuel injection adapter will usually solve this problem. inoperative tachometers if your tachometer fails to operate with the hyfire 6al2 installed, you may need a mallory tach adapter. before purchasing a tach adapter, try connecting your tachometer trigger wire to the yellow wire of the hyfire 6al2 ignition control. this output produces a 12 volt, square wave. if the tach still does not operate, you will need a tach adapter. two different tach adapters are available: pn 29078 if you are using the magnetic pickup connector (green and violet wires) to trigger the hyfire 6al2, you will need this adapter. pn 29074 if your tach was triggered from the coil negative terminal (voltage trigger) and you are suing the white wire to trigger the hyfire 6al2, you will need this adapter. ballast resistor if you have a current trigger tach (originally connected to coil (+) positive) and use the white wire of the hyfire 6al2 for triggering, you can purchase a chrysler dual ballast resistor (1973-76 applications). wire it as shown in figure 3. engine run-on if your engine continues to run even when the ignition is turned off, you are experiencing engine run-on. usually, older vehicles with an external voltage regulator are susceptible to this condition. because the hyfire 6al2 ignition control receives power directly from the battery, it does not require much current to keep the unit energized. if you are experiencing run-on, it is due to a small amount of voltage going through the charging lamp indicator and feeding the small red wire (even if the key is turned off). gm 1973-83 with delcotron alternators gm delcotron alternators use an internal voltage regulator. install the diode inline on the smallest wire exiting the alternator (see figure 5). it is usually a brown wire. most other applications: to eliminate run-on, place a resistor in-line to the hyfire 6al2 small red wire to keep voltage from leaking into the hyfire 6al2 ignition. figure 3 early ford and gm: to solve the run-on problem, a diode is supplied with the hyfire ? 6al2 ignition control. by installing this diode in-line of the wire that goes to the charging indicator, the voltage is blocked from entering the hyfire 6al2 ignition control. figure 4 shows the proper diode installation for early ford and gm vehicles. note: diodes are used to allow voltage to flow only one way. make sure the diode is installed facing the proper direction, as shown in figure 4. ford: install the diode inline to the wire going to the #1 terminal. gm: install the diode inline to the wire going to the #4 terminal. figure 4 figure 5
5 mallory ignition www.malloryracing.com misses and intermittent problems experience has shown that if your engine is misfiring or hesitating at higher rpm, it is usually not an ignition problem. most common causes include a coil or plug wire failure, arcing from the cap or boot plug to ground or spark ionization inside the cap. perform the following checks: inspect the plug wires at the cap and at the spark plug for a tight connection. visually inspect for cuts, abrasions, or burns. inspect the primary coil wire connections. because the hyfire 6al2 ignition control receives a direct 12 volt source from the battery, there will not be any voltage at the coil positive (+) terminal, even with the key turned on. during cranking, or while the engine is running, very high voltage will be present and no test equipment should be connected. warning: do not touch the coil terminals during cranking or while the engine is running. make sure that the battery is fully charged and the connections are clean and tight. if you are not running an alternator, this is an imperative check. if the battery voltage drops below 10 volts during a race, the hyfire 6al2 ignition control output voltage will drop. is the engine running lean? inspect the spark plugs and the entire fuel system. check all wiring connections for corrosion or damage. remember to use proper connections followed by soldering, then seal the connections completely. if everything checks positive, use the procedure below to test the ignition for spark. mallory also offers an ignition tester (pn 28357) that allows you to check the entire ignition system while it is installed in the vehicle. this tool also checks operation of rpm limits, activated switches, and shift lights. checking for spark if triggering the ignition with the white wire: (see figure 6) 1. make sure the ignition switch is in the ?ff position. 2. remove the coil wire from the distributor cap and set the terminal approximately 1/4" from ground. 3. disconnect the hyfire 6al2 ignition control white wire from the distributors points or ignition amplifier. 4. turn the ignition to the ?n position. do not crank the engine. 5. tap the white wire to ground several times. each time you pull the wire from ground, a spark should jump from the coil wire to ground. if spark is present, the ignition is working properly. if there is no spark, skip to step 6 below. if triggering with the magnetic pickup: (see figure 7) 1. make sure the ignition switch is in the off position. 2. remove the coil wire from the distributor cap and set the terminal approximately 1/4" from ground. 3. disconnect the hyfire 6al2 ignition control magnetic pickup wires from the distributor. 4. turn the ignition to the on position. do not crank the engine. 5. with a small jumper wire, short the hyfire 6al2 ignition control green and violet magnetic pickup wires together. each time you break this short, a spark should jump from the coil wire to ground. if spark is present, the ignition is working properly. if there is no spark skip to step 6 below. 6. if there is no spark. a. inspect all of the wiring. b. substitute another coil and repeat the test. if there is now spark, the coil is at fault. c. if there is still no spark, check to make sure there is 12 volts on the small red wire from the hyfire 6al2 ignition control when the key is in the on position. if 12 volts is not present, find another switched 12 volts source and repeat the test. d. if, after following the test procedures and inspecting all of the wiring, there is still no spark, the hyfire 6al2 ignition control is in need of repair. see the warranty and service section for information. jumper wire g reen violet figure 7 to g round white wire figure 6 the illustrations on the following pages show the best way to install the hyfire 6al2 ignition control on various applications. if you have any problems or questions while installing this device on your vehicle, contact the mallory technical service department at (216) 688-8300, 8:00 am to 5:00 pm est, or email tech@mrgasket.com.
part no. 6861M blac k ( s maller) oran g e yellow coil white g reen purple red ( s mall 18 g a) blac k (lar g e 14 g a) red (lar g e 14 g a) to battery ne g ( - ) to battery po s ( + ) ori g inal coil ( + ) i g nition k ey not u s ed to 12 volt s to tachometer from ma g pic k -up di s t or cran k tri gg er part no. 6861M black (smaller) orange yellow blue coil white all other wires originally connected to the coil (-) terminal ring terminal connector red black (larger) red (larger) to battery neg ( - ) to battery pos ( + ) to tachometer magnetic pick-up (not used) aux rpm limiter all other wires originally connected to the coil (+) switch +12 volts from ignition switch part no. 6861M black (smaller) orange yellow coil white original coil wire from points or electronic ignition amplifier red black (larger) red (larger) to battery neg ( - ) to battery pos ( + ) ignition key to 12 volts to tachometer magnetic pick-up (not used) originally connected to coil (+) positive www.malloryracing.com 6 installing the hyfire 6al2 with a magnetic pickup distributor or crank trigger installing the hyfire 6al2 with an oem ignition amplifer installing the hyfire 6al2 with a points/amplifier style ignition figure 8 figure 9 figure 10 h h y y f f i i r r e e 6 6 a a l l 2 2 h h y y f f i i r r e e 6 6 a a l l 2 2 h h y y f f i i r r e e 6 6 a a l l 2 2
7 mallory ignition www.malloryracing.com part no. 6861M black (smaller) orange yellow coil white blue not used aux rpm limiter red original coil (+) ignition key to 12 volts to tachometer red (large 14 ga) to battery pos ( + ) black (large 14 ga) to battery neg ( - ) green purple installing the hyfire 6al2 with a mallory 81-84 series distributor (2-wire magnetic pickup) figure 12 part no. 6861M ignition key to 12 volts black (smaller) orange yellow coil white green brown red (small 18 ga) to tachometer black (large 14 ga) to battery neg ( - ) red (large 14 ga) to battery pos ( + ) red to engine ground connect wires at these points not used green purple installing the hyfire 6al2 with a mallory unilite or magnetic breakerless distributor figure 11 h h y y f f i i r r e e 6 6 a a l l 2 2 h h y y f f i i r r e e 6 6 a a l l 2 2
www.malloryracing.com 8 there are three different large cap hei distributors. to identify which of the following diagrams fit your specific application, remove the distributor cap and rotor and locate the ignition module at the base of the distributor. count the number of terminals on both ends of the module and follow the corresponding diagram. gm used 4, 5, and 7-pin modules in these distributors. note: some 5-pin modules may experience a hesitation or stall on deceleration. if this occurs, contact the mallory technical service department for the required bolt-in diode to correct the problem. 4-pin module 5-pin module part no. 6861M white blue red (small 18 ga) not used yellow to tachometer aux rpm limiter black (lar g e 14 g a) to battery neg ( - ) red (large 14 ga) to battery pos (+) black (small 18 ga to c?) orange (to b+) purple green white green to engine ground white jumper key connector heavy red or pink wire from car wiring harness green purple part of mallory hei kit p/n 29008 (not included) part of mallory hei kit p/n 29008 (not included) installing the hyfire 6al2 with an hei 4-pin module (magnetic pickup trigger) 7-pin module figure 14 figure 15 part of mallory hei kit p/n 29008 (not included) yellow white white black white white (not used) splice wires at these locations pink (not used) connect factory tach here from distributor to ignition switch white green purple blue red (small 18 ga) black (large 14 ga) red (large 14 ga) red red pink pink orange pink to battery neg ( - ) to battery pos ( + ) aux rpm limiter to tachometer installing the hyfire 6al2 with a dual connector coil hei system h h y y f f i i r r e e 6 6 a a l l 2 2 figure 13 h h y y f f i i r r e e 6 6 a a l l 2 2
9 mallory ignition www.malloryracing.com black (large 14 ga) to battery neg ( - ) red (large 14 ga) to battery pos (+) part no. 6861M magnetic pickup not used white red (small 18 ga) red jumper white jumper not used (tape end) orange black (small 18 ga) from distributor pink brown heavy pink, orange, or red wire green aux rpm limiter blue purple part of mallory hei kit p/n 29008 (not included) to tach black (large 14 ga) to battery neg (?) red (large 14 ga) to battery pos (+) part no. 6861M yellow blue to tachometer aux rpm limiter black (small 18 ga to c?) orange (to b+) to engine ground not used red (small 18 ga) white red jumper white jumper heavy pink or red from vehicle wire harness green purple part of mallory hei kit p/n 29008 (not included) part of mallory hei kit p/n 29008 (not included) part of mallory hei kit p/n 29008 (not included) installing the hyfire 6al2 with an hei 5-pin or 7-pin module (amplifier trigger) installing the hyfire 6al2 with an external 4-terminal coil (single connector) figure 16 figure 17 h h y y f f i i r r e e 6 6 a a l l 2 2 h h y y f f i i r r e e 6 6 a a l l 2 2
part no. 6861M black (small 18ga) orange yellow blue to tachometer aux rpm limiter black (large 14ga) insulate unused ends of jumpers to battery neg ( - ) red (large 14ga) to battery pos ( + ) white red (small 18ga) green purple ma g netic pick-up (not u s ed) red jumper white jumper part of mallory hei kit p/n 29008 (not included) www.malloryracing.com 10 installing the hyfire 6al2 with a ford tfi (without harness) figure 19 part no. 6861M black (small 18ga) orange yellow blue green coil to tachometer aux rpm limiter black (large 14ga) red (large 14ga) purple to battery neg ( - ) to battery pos ( + ) magnetic pick-up (not used) green red white (small 18 ga) red (small 18 ga) installing the hyfire 6al2 with a ford duraspark using the white wire trigger figure 18 h h y y f f i i r r e e 6 6 a a l l 2 2 h h y y f f i i r r e e 6 6 a a l l 2 2
11 mallory ignition www.malloryracing.com part no. 6861M black (small 18 ga) orange coil white blue aux rpm limiter yellow to tachometer red (large 14 ga) to battery pos ( + ) black (large 14 ga) to battery neg ( - ) red (small 18 ga) from original coil (+) terminal black (m?) orange (m+) chrysler module leave disconnected violet (+) green (?) green purple 6 ft exten s ion cable cut one end and s plice a s s hown splice here part no. 6861M yellow blue to tachometer aux rpm limiter black (large 14 ga) to battery neg ( - ) red (large 14 ga) to battery pos ( + ) green purple magnetic pick-up (not used) white red bla c k oran g e g reen red bla c k yellow adapter/harness p/n 29062 (not included) yellow black factory harness plug (originally connected to the coil) red green installing the hyfire 6al2 with a ford tfi (with harness) installing the hyfire 6al2 with a chrysler electronic ignition using a magnetic pickup trigger figure 20 figure 21 h h y y f f i i r r e e 6 6 a a l l 2 2 h h y y f f i i r r e e 6 6 a a l l 2 2
part no. 6861M yellow blue to tachometer aux rpm limiter red (large 14 ga) to battery pos ( + ) black (large 14 ga) to battery neg ( - ) green purple red (small 18 ga) magnetic pickup not used original coil (+) wire splice here white ( - ) black (small 18 ga) amplifier original coil ( - ) terminal from amplifier to ignition switch (+) orange splice here www.malloryracing.com ?005 12 installing the hyfire 6al2 with a typical import application form 1643 03/05 made in u.s.a. printed in u.s.a. mallory is a division of the mr. gasket performance group 10601 memphis ave. #12, cleveland, oh 44144 216.688.8300 fax 216.688.8306 figure 23 part no. 6861M black (small 18 ga) orange black/gray or gray yellow blue to tachometer aux rpm limiter red (large 14 ga) to battery pos ( + ) black (large 14 ga) to battery neg ( - ) white original coil (+) wire green purple green/orange red (small 18 ga) green/orange ignition key to 12 volts magnetic pickup not used black/gray from points or electronic ignition amplifier original coil ( - ) wire installing the hyfire 6al2 with a late model dodge (with 2-pin connector) figure 22 h h y y f f i i r r e e 6 6 a a l l 2 2 h h y y f f i i r r e e 6 6 a a l l 2 2

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