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Old 09-18-2021, 12:35 AM   #3
ThunderChicken
 
Join Date: Aug 2021
Location: PA
Posts: 13
Vehicle: 1988 d21 hardbody 4x4
Thanks: 3
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Parts truck was a complete bust, wrong year and motor than what the guy said over the phone. This thread https://forums.nicoclub.com/86-5-z24....html#p5833248 and some basic gnition system resarch provided a lot of good information moving forward. Another 120 bucks on a new ignition module and also this jumper harness to bypass the modules from rockauto are my next steps. It appears as though either the ecu or these modules control the dwell time on the coils, this harness thingy should tell me that. If this isint the fix, then I'll probably order a new ecu and inspect the one in the truck very closely for anything weird looking. Still very interesting that this truck won't just run on one coil.
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