03 silverado wiring
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=96221
Printed Date: May 14, 2025 at 2:30 PM
Topic: 03 silverado wiring
Posted By: med1212
Subject: 03 silverado wiring
Date Posted: August 07, 2007 at 10:30 AM
The wireless remote, the passenger door power window, power mirror, and door lock stopped working. The driver door works great. Does anyone have a wiring diagram that would help me figure out Wha' Happn'd?
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med1212
Replies:
Posted By: Big Dog
Date Posted: August 15, 2007 at 2:12 PM
These trucks have individual door modules (computers) which communicate with the body control module under the steering column via a single data wire. What did you install or what did you do before it stopped working? It'll help us help you.
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Prepare your future. It wasn't the lack of stones that killed the stone age.
Posted By: med1212
Date Posted: August 16, 2007 at 1:28 PM
I didn't do anything. The truck has been, and still is, running great....except for the passenger door. Is there a fuse or breaker for the door? The remote doesn't work either.
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med1212
Posted By: Big Dog
Date Posted: August 17, 2007 at 10:17 AM
I've uploaded the schematic here There is a fuse labeled PDM which might be worth looking at. ------------- Prepare your future. It wasn't the lack of stones that killed the stone age.
Posted By: med1212
Date Posted: August 20, 2007 at 6:52 PM
Thanks a lot, I will try them out and see if I can find my problem.
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med1212
Posted By: med1212
Date Posted: August 26, 2007 at 12:23 AM
OK, I've looked ALL OVER and can't find where they hid the PDM fuse. Under the dash at each end of the dash.
Any other ideas?
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med1212
Posted By: maxtadams
Date Posted: August 29, 2007 at 8:01 PM
Try www.gmupfitter.com click on the publications, click on the body builders manuals, light duty trucks, light duty 2003 manuals.
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Max Adams
Posted By: med1212
Date Posted: August 31, 2007 at 9:40 AM
No joy in Mudville!
They had no info on the fuse location. Thanks for trying tho.
Any other suggestions?
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med1212
Posted By: Big Dog
Date Posted: August 31, 2007 at 10:50 AM
Here's a quick pic of the left side fusebox in which you'll find the PDM fuse. Ignore the doorlock references, they weren't meant for you. 
------------- Prepare your future. It wasn't the lack of stones that killed the stone age.
Posted By: med1212
Date Posted: August 31, 2007 at 1:10 PM
I think my problem is something else, my fuse box doesn’t have that fuse.
Now what? ------------- med1212
Posted By: jsy4ncsu
Date Posted: September 09, 2007 at 9:14 PM
i have exact same problem, did this ever work? i'll check it out myself. just curious.
Posted By: med1212
Date Posted: September 10, 2007 at 12:50 AM
Nope I have not found the problem yet.
I guess I will just have to check out the wiring as best I can.
Good luck with yours and if I find anything, I will let you know
Martin
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med1212
Posted By: jsy4ncsu
Date Posted: September 17, 2007 at 7:47 PM
med1212, I'm looking at this more, first of all, I'm guessing you don't have rear doors from looking at your fuse box picture? anyway, the 10Amp "PDM" fuse is shown in your picture (i think), but it's not the one that an earlier poster put a square around and highlighted with the blow-up view (probably why he posted to "ignore doorlock references, etc.". Those are actually relays for the rear passenger door lock/unlock actuators, and you don't appear to have them (which is why i'm guessing you don't have rear doors...?). For what it's worth, I verified that the PDM 10Amp fuse is not the problem for mine (although I wish it were, easy to change out). If I can ever find the time (work is crazy now), i'm going to take my front passenger door apart and look for the module labeled "Front Passenger Door Module"and see if the problem is there, I'm thinking it is anyway. First i might also check to ensure there is power at the "Right I/P Fuse block", it appears to just be a junction for wire harnesses on the far right side of the dash by the passenger door. There should be a hot line for powering this module, it's shown in the wiring schematic at least... anyway, not sure when i'll get to this, if you happen to beat me to it please keep me updated and i'll do the same cheers
Posted By: med1212
Date Posted: September 18, 2007 at 1:46 PM
Thanks for the update.
Yes, I have the rear doors and so I don't know why the difference in the fuse boxes. I don't have the different driver options so maybe that is it.
If I find anything I will be sure to post it.
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med1212
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