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1996 Impala RS Serious Problems

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=74028
Printed Date: May 04, 2024 at 2:02 PM


Topic: 1996 Impala RS Serious Problems

Posted By: customcarelectr
Subject: 1996 Impala RS Serious Problems
Date Posted: March 06, 2006 at 12:43 PM

I need some insight on this strange issue I have encountered. I went to do a mobile install on a 1996 impala ss. the alarm was a clif 3.5 with remote start. I installed the alarm and everything went great. The customer drove the car 3 blocks then it shut off on him and would not restart this has been partially solved by changing the fuel pump relay and pump (the relay looked fired on its contacts). the car now starts and idles but dies with any load.  Also the car started haveing other wierd electrical issues: the door locks sometimes work, sometimes the drivers door lock gets stuck locked as if you are holding the power lock button down. the odometer sometimes works, the fuel gauge is stuck on full, the trunk release seems to now be tied in with the hazard lights.

I have been doing installs for years and the biggest mistake ever made led to a blown fuse. i have done many of these caprices and impalas with no problems, certainly never had any problem like this. I am inclined to say that none of these issues are related to the alarm/ RS, but since they all showed up right after I did the work, I will not leave the customer hanging if there is a chance of it being my fault.

I have since removed all the alarm components so the car is all stock. all the above problems are still happening.

anyone have any ideas what could be causing all these problems?

anyone feel that these problems could be caused by installing a simple RS alarm?

thanks for all your help




Replies:

Posted By: rnrincdodge
Date Posted: March 06, 2006 at 1:38 PM

you are going to think i am nuts but check the ground wire in the trunk on the left hand side that in near the trunk spring. I had the same problem and it took me a week to figure that the ground was loose.



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RNR




Posted By: Velocity Motors
Date Posted: March 06, 2006 at 2:19 PM
What shape is the battery in ? Have you done a load test on the battery to see if the battery is OK ? As stated above check the ground at the battery and in the trunk.

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Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA




Posted By: xtremej
Date Posted: March 06, 2006 at 3:19 PM
definetly check the battery. I had similiar issues on a 99 grand am. nightmare, until battery load tested and it was very weak.. Caused intresting electrical problems. Changed battery, no more problems....

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Posted By: xscash
Date Posted: March 06, 2006 at 7:31 PM
how about a peirced wire harness? did you check all self tappers to se if you peirced somthing.




Posted By: customcarelectr
Date Posted: March 06, 2006 at 7:55 PM

Checked grounds: they all look good nice and tight

used t taps, they only bit the wires i needed. nothing by accident., never probed anything with a meter, actually never had to tap anything except tach, acc, and brake wires because there ahd been a basic alarm in there before





Posted By: bazzgazm
Date Posted: March 06, 2006 at 11:15 PM
I'm going to go with them on the battery/alternator.
I did a remote start on one. I hit the unlock button and the trunk opened.
started the car, half the dash came on
checked the battery. terminals were corroded =)
cleaned them, car worked fine
these things for some reason are electrical nightmares on that end.

That REALLY sounds like something that could happen from a bad electrical supply.
It might be a ground that YOU losened.
It might just be a freak accident
but honestly, if you're not familiar with troubleshooting i'd let someone else handle it once it gets past the battery.
they usually have a ground in the kick panel for just about everything, so look there too.
Other than that, do a full diagnostic on the charging/batt. systems.






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