1996 Silverado
Printed From: the12volt.com
Forum Name: Vehicle Wiring Information & File Requests
Forum Discription: Request Car Alarm, Car Stereo, Cruise Control, Remote Starter, Navigation, Mobile Video, and Other Vehicle Specific Wiring Info, Manuals, Tech Tips
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=19800
Printed Date: July 14, 2025 at 4:22 AM
Topic: 1996 Silverado
Posted By: millerz28
Subject: 1996 Silverado
Date Posted: October 07, 2003 at 10:25 PM
When I hook up the tach wire on my remote starter, the tranny shifts very hard and the check engine light comes on. Anyone encountered this problem, or know a fix?
Replies:
Posted By: defective
Date Posted: October 09, 2003 at 10:09 AM
Which tach wire did you use? describe the location and color...may be wrong the correct wire should be the white one at the coil on the passenger side of the engine. -------------
Posted By: millerz28
Date Posted: October 09, 2003 at 12:01 PM
I attached the tach wire from the remote starter to both of the white wires on the ignition module-the one from the ecu and the one going to the coil. Both wires caused the same problem. I'm starting to wonder if the Directstart unit is defective. BTW, i didn't attach both wires at the same time. :)
Posted By: defective
Date Posted: October 10, 2003 at 10:43 AM
probably, those wires are tested and true. BTW, don't connect at the same time. also it may have something to do with the way you adjusted the tach..... you should probably reset the unit and then re-learn tach. you'll have to reprogram the remote also. -------------
Posted By: Frog
Date Posted: October 12, 2003 at 8:55 AM
Did you hook up the second ignition wire?
Posted By: millerz28
Date Posted: October 13, 2003 at 12:06 AM
I hooked up each wire independently, and re-learned tach each time. The starter works just fine. It's the tranny that's the problem. It shifts very hard, and the check engine light comes on after driving the vehicle after it has been started remotely, and the key is inserted.
Posted By: Frog
Date Posted: October 13, 2003 at 7:47 PM
It sounds to me like you missed the white ignition wire that needs to see power during crank otherwise it will cause transmission shift problems and also turn on the check engine light but the vehicle will still remote start without it.
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