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Old 01-29-2019, 03:52 PM
seventieshow seventieshow is offline
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"My understanding is that there is a ballast resistor involved"...I think the harness has resistance wiring built into it. I've never noticed a resistor on my car (71 LT-1).

There is information and wiring diagrams on the internet, but some of these are for a add on kit that GM sold.

I used a replacement board from these people, car starts and idles better then it did before (old board got smoked). Been several years with no problems.

https://www.lectriclimited.com/elect...x-module-87041
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