Avital 4103L 98 Pontiac grand prix gtp
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=139955
Printed Date: May 16, 2025 at 2:26 AM
Topic: Avital 4103L 98 Pontiac grand prix gtp
Posted By: xx69burkettxx07
Subject: Avital 4103L 98 Pontiac grand prix gtp
Date Posted: December 14, 2015 at 4:49 PM
I installed avital 4103L in my 98 Pontiac grand prix. I can start it with the remote, and lock and unlock my doors..I can't get the horn or park light's to work with the remote start keyless entry ave the trunk won't pop..I'm sure it's wired correctly do I need additional parts or is it in the programming?? Any help would be greatly appreciated!
thanks Dustin
Replies:
Posted By: kreg357
Date Posted: December 18, 2015 at 8:15 PM
I'm guessing that you connected the 4103's White Parking Light output wire to the G.P.'s Brown Parking Light wire at the Headlight switch connector. You also need to insert the supplied jumper into the correct pins on the side of the 4103. Molded into the plastic on the bottom side of the 4103 case by the jumper pins are the (+) and (-) location settings.
For the Horn to work, besides connecting the 4103's Brown Horn output wire to the G.P.'s Black horn wire, you must set a 4103 programming option, Menu 1, Feature 1 to Option 2 through 5, depending on how long a beep you desire. ------------- Soldering is fun!
Posted By: xx69burkettxx07
Date Posted: December 18, 2015 at 9:02 PM
Alright thank you for the reply..I'm going to go make some changes..any advice on getting the trunk pop button to work from the remote I I've it hooked up at the glove box button??9"x
Posted By: kreg357
Date Posted: December 18, 2015 at 9:50 PM
The G.P.'s BLACK/ White Trunk Release wire at the glove box switch is (+). The 4103's Trunk Release output is (-). You will need a relay to make the polarity conversion to properly interface and operate the trunk release. Obtain a 30/40 Amp SPDT relay with harness and an inline fuse holder with 15 Amp fuse. Wire as follows : Relay Pin 85 to 4103 (-) Trunk Release output Relay Pin 86 and 87 to +12V constant through the 15 Amp fuse Relay Pin 30 to G.P BLACK/ White Trunk Release wire @ switch Relay Pin 87a not used - insulate
You might try to find this wire listed by ReadyRemote and avoid the relay circuit, if your G.P. has Factory Remote Keyless Entry ( you could make a direct connection from the 4103 to this wire ) : On vehicles with keyless entry, can also use Brown (-) at the trunk release relay, found to the left of the steering column. ------------- Soldering is fun!
Posted By: xx69burkettxx07
Date Posted: December 18, 2015 at 10:19 PM
My Brown seems to be +....
Posted By: kreg357
Date Posted: December 19, 2015 at 2:32 AM
If you are using a DMM to check the Brown wire at the trunk release relay to the left of the steering column, it will read a static +12V. That is the feed-through potential voltage from the other side of the relays coil. That voltage reading should drop if you press and hold the trunk release button. If you are sure you have the correct relay / wire, use a fused jumper wire ( say 5 Amp ) to briefly ground that Brown wire. The trunk should pop / release.

------------- Soldering is fun!
Posted By: xx69burkettxx07
Date Posted: December 19, 2015 at 10:29 AM
Just to make sure..the Brown wire for the trunk is going to a relay to the left of the steering column. There are three of these relays there, the one I'm wanting has two green wires, a black /white wire, and the Brown wire..correct??
Posted By: kreg357
Date Posted: December 19, 2015 at 1:34 PM
Not sure. ( I just wire up a relay and use the (+) wire at the switch.) Use a finger and your ears to figure out which one energizes / clicks with a regular trunk release.
------------- Soldering is fun!
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