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Old 05-08-2020, 12:25 PM
Riozilla Riozilla is offline
230 Tornado
Join Date: Apr 13, 2019
Location: Austin, TX
Posts: 5
Question: how to wire Yellow & Green wires to new Coil (for HEI distributor upgrade)

I am in the midst of installing a CRT Performance HEI distributor and coil to replace my stock AMC ignition and distributor in my ‘88 Wagoneer.

My question to the group is how to best wire the original (2-prong) yellow/green hot starter ignition wires to the new coil?

I am learning and am new to automobile electrical, but have a wiring diagram and instructions. But am still wary of splicing open the original yellow and green wires and attaching them to coil until I know clearly how to best do that.

Thank you in advance for patience and help.
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Old 05-08-2020, 05:24 PM
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Cliff Cliff is offline
350 Buick
Join Date: Mar 30, 2002
Location: Upper East Tennessee
Posts: 793
I had to look up CRT - had not heard of them. That looks like a bargain price, compared to Davis or MSD.

I have no info on the wiring, just wanted to comment on the dizzy. Let us know how it works.
Cliff Danley
1977 Cherokee S

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Old 05-09-2020, 10:21 AM
MysticRob MysticRob is offline
327 Rambler
Join Date: Nov 26, 2019
Location: Boise, ID
Posts: 624
Not sure what your question really is. Are you unsure of what color is positive or negative, or which type of connector to terminate the wires with? I'd ask the coil manufacturer I suppose.

Last edited by MysticRob : 05-09-2020 at 10:33 AM.
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Old 05-10-2020, 11:42 PM
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FleetFox FleetFox is offline
258 I6
Join Date: Apr 04, 2018
Location: Blue Ridge Mountains
Posts: 282
There are few write ups out there. Most people I have seen tie into the 2 prong plug from the motorcraft box. I think the wires are blue 12 gauge and an 8-10 red with a white tracer. Use the red w/ tracer as your power supply and run a like sized wire to the HEI. The second terminal on the HEI is a tach feed back to the cab.

Either way you need 12 volts switched to the HEI, 12 volts switch with NO interrupt in the start position for the key.

I wish i had a pic of the pigtail I'm talking about, but alas I don't.

Fleet Fox
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Old 05-11-2020, 08:24 AM
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fulsizjeep fulsizjeep is offline
Señor Jackhead
Join Date: Aug 21, 2002
Location: Jubilee Jeeps.SWCO
Posts: 22,483
You will not be wiring in a coil. HEI is a one wire wonder. The coil is built into the distributor cap.
Ran when parked.
88 GW, 401/727/208, 5" lift, D44s/4.10s/locked up, 35s with a few Evil Twin & TT's Fabworks mods
76 401 Wag, 77 401 Wag, 77 401 J20
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