Tach Wire on 02 Cavalier
Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=64276
Printed Date: May 03, 2025 at 6:57 AM
Topic: Tach Wire on 02 Cavalier
Posted By: tmm0229
Subject: Tach Wire on 02 Cavalier
Date Posted: October 12, 2005 at 11:06 PM
I have a 02 cavalier with an automatic trans., and I'm installing the airwolf 20099 Alarm/starter and I can't find the "negative coil of the tach" Any help would be greatly appreciated. I have all of the other wires hooked up but the unit will not operate unless the tach wire or the voltage wire is hooked up and the kit i bought didnt come with the white voltage wire. Thanks
Replies:
Posted By: extreme1
Date Posted: October 12, 2005 at 11:12 PM
what engine do you have?
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Shaughn Murley
Install Manager, Dealer Services
Visions Electronics
Red Deer, Alberta
Posted By: tmm0229
Date Posted: October 12, 2005 at 11:18 PM
2.2 Ecotec
Posted By: redpeppers
Date Posted: October 13, 2005 at 12:05 AM
PURPLE / white.........The engine harness is found next to the battery, below the radiator hose, just above the transaxle.
Also can go to the ignition control module and use white or orange. ICM is located by tracing the spark plug wire back....
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Where theres is a wire there's a way.
Posted By: extreme1
Date Posted: October 13, 2005 at 1:03 AM
tmm0229 wrote:
2.2 Ecotec
on the drivers side of the valve cover is a connector, you can use either white or orange in that plug. ------------- Shaughn Murley
Install Manager, Dealer Services
Visions Electronics
Red Deer, Alberta
Posted By: tmm0229
Date Posted: October 13, 2005 at 11:41 AM
Ok i used the white wire on the ICM and the alarm/remote start would recognize it and say its programmed but when it tried to start it it wouldnt stay running. I also tried the orange and it did the same thing. It would crank perfectly but the engine acted like it wasnt getting gas. Also someone told me I might need a by-pass module for this car because it has a chip in the key, but my key doesnt have a chip because when i made duplicates of it i didnt have to get a special one. Any suggestions?
Posted By: mo12v
Date Posted: October 13, 2005 at 12:02 PM
G.M. Passlock II No CHIP in Key........ https://www.wiringinstructions.com/238.htm ------------- MO
Don't Learn from Others Mistakes
You Might Be the One That Knows.
Posted By: tmm0229
Date Posted: October 13, 2005 at 2:50 PM
Ahh I See... Thats what was wrong. Thanks for all the help guys
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