Lose signal to TAC module
04-22-2019, 07:09 PM
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Lose signal to TAC module I recently did a 5.3 swap in my 86 c10. The motor has a DBW throttle body. Since I leave the truck in my shop across town and still afraid of it catching fire for some strange reason I disconnect the battery. But when I go to crank the motor after everything works fine. It only when I shut it off then start it again that it loses the signal to the tac module. I clear the code with a code reader and it works just fine. I have a keyed 12v source to the pink wire that powers the module so I’m not sure what’s up. Any information is more than welcome and much appreciated.
