LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

PWR Window & PWR Door Question..(Shoebox or other) please enter:

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Old Jun 28, 2003 | 01:43 PM
  #1  
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Thumbs up PWR Window & PWR Door Question..(Shoebox or other) please enter:

Well, I still have no power to my Windows, Locks and a few other things. Im still trieng to troubleshoot that, but.

I bought a replacement door from a yard for my 95'. Its got all the power accessories mine had. Now, I have already stripped the parts from what was left of my door, which I know work.

The cars at the yard I frequent always have the windows down. And it rains alot around here. So I want to make sure the locks and window motor work as good as mine before I put the door back on. Just alot easier that way, esp. since both my window motor and lock are new assemblies from the old door.

So, my question is, How can I test the motor and door assemblies w/out tieng into the original harness?. Could I run 12V to them both and ground them somewhere else to make a "test" circuit? Just anything to get them tested. Below are wire schematics for both the power doors and Locks (Thanks Shoebox 4 the links)

Power Locks

Power Windows


Now that I mention it? What might be causing me to lose power to my doors, Heater motor, trunk pop, and prob seats and maybe radio? Is there one power wire or fusable link that controls all these things together?

Thanks for any help guys.

Rabid
Old Jun 28, 2003 | 02:19 PM
  #2  
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Sure, just connect battery and ground to test the items.

Are you losing the power to the fuse(s)? You need to be specific as to exactly what is going dead.
Old Jun 29, 2003 | 12:32 PM
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Well I bought a 12v Probe for checking the box specifically. At first I thought I had bought a dud since the bulb didn't glow very bright even at the power block on the fender. But, turns out the Battery was drained.

So, looks like I have a slow drain as well. Although it took 3-4 days to drain the amount it lost. So, maybe my courtesy lights work. The dome light is disconnected, and I did'nt see any bulbs lit up over the last couple days. Or any switch's on. And now that I think about it I haven't even seen door jamb lights on this thing. (cars a rolling chassis so I'd prob know )

So, I will test the fuse block tomm. after the battery has a full charge, check the interior fuse panel, and then post. So please stay tuned! lol.

-Rabid
Old Jun 29, 2003 | 02:03 PM
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Well, just checked the fuse panel for power....... (forgot I had a new Batt. in garage)

And only the main power wires in the middle of the Fuse box are getting power........

So shoebox, what's the next step?

-Rabid
Old Jun 29, 2003 | 02:10 PM
  #5  
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Originally posted by RabidDog24
Well, just checked the fuse panel for power....... (forgot I had a new Batt. in garage)

And only the main power wires in the middle of the Fuse box are getting power........

So shoebox, what's the next step?

-Rabid
Not sure what you are saying. Be more specific as to what you are checking and where. Are you checking with the fuse in or out? When the fuse is out, one side of the terminals will be the battery supply and the other side is the load. You won't see any power on the load side with the fuse out.
Old Jun 30, 2003 | 12:37 AM
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Originally posted by shoebox
Not sure what you are saying. Be more specific as to what you are checking and where. Are you checking with the fuse in or out? When the fuse is out, one side of the terminals will be the battery supply and the other side is the load. You won't see any power on the load side with the fuse out.

Ah, my bad, sorry!

As I said before my car is totally stripped down. Hence, no dash or interior. The Fuse box is dangling from the harness on the drivers side. If you look at the back of the fuse box, there are large supply wires that run into and down the middle of the box. And there are smaller wires that run into the left and right sides. All the large wires have current, while the small ones do not. All wires were tested w/ the fuses in, and the "+" probe connected to the wire spade connector that connects to the box itself.

And since it seems as "half" my car has power and the other "half" not, seems to be connected. When I push the door lock buttons, I do not even hear a relay "click" and I don't think the doors are getting voltage at all just like the trunk pop,Dome Light,locks,windows,and heater motor.

So my theory is half my interior panel is not getting power. Is this your guess as well? If not what is yours and what is my next step to troubleshooting this problem? I appreciate it 110% man. I hope i have been descriptive enough.

-Rabid
Old Jun 30, 2003 | 08:01 AM
  #7  
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Ah, ok. The wires that provide power to the fuse panel come from the red plastic junction box that is by the battery. There are numerous fusible links that come out of it. One or more of these may be fried.
Old Jun 30, 2003 | 03:50 PM
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Talking Getting Closer!

Well, I spent the last 4 hours not only putting my door on, but testing every plug in my interior.

These items have no power at all: Heater Moter, Interior Lights, trunk Pop

These items have power but still do not work: Power Doors, Locks

Is this a picture of a Body control Module? I thought 95's didn't have them, maybe mine's a 96? Anyway, neither one of these are getting power. And from what I've read about the BCM it controls the trunk pop AND interior light system.

Mystery Module

Now, since my doors are getting power, but I hear no relay, What's going on? Is this the relay? It's getting power. Also pictured is the RF reciever module which I have no key fob for.

Relay?

So what the heck is going on? And how would I test a fusable link?

-Rabid
Old Jun 30, 2003 | 05:08 PM
  #9  
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If digit 10 of your VIN has an S, it is a 1995. We need to confirm what year it is because the wiring is considerably different 95-96.

Where did you pull that module out from? What wire colors are in what cavities of the plug?


The relay is probalby the theft deterrent relay or the hatch release relay. Depends on the color of the wires going to it.
Old Jun 30, 2003 | 06:22 PM
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Question Wierd......

Okay, I pulled the module from what would be considered the "middle" of the dash inside. The Module has holes at all 4 corners and it mounts to the inner dash.

It has a sticker on it that states:

PN #16214819

Ser. Number 81943447151

Module has one main plug that comes out from it. The wires that come out of it are:

(not ness. in this order)

Purple, Dark Blue w/ Light Blue stripe, Yellow, Orange, White w/ black stripe, Pink, Grey w/ Black Stripe, and what appears to be "Tan" or a very light Yellow. And of course a Orange and Black wire coming out that connects to the trunk switch.

Now, my VIN number is: 2***P22SOS****63* (some ommitted, this is the net )

So I guess it is a 95' after all.

-Rabid
Old Jun 30, 2003 | 07:20 PM
  #11  
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Re: Wierd......

Originally posted by RabidDog24
Okay, I pulled the module from what would be considered the "middle" of the dash inside. The Module has holes at all 4 corners and it mounts to the inner dash.

It has a sticker on it that states:

PN #16214819

Ser. Number 81943447151

Module has one main plug that comes out from it. The wires that come out of it are:

(not ness. in this order)

Purple, Dark Blue w/ Light Blue stripe, Yellow, Orange, White w/ black stripe, Pink, Grey w/ Black Stripe, and what appears to be "Tan" or a very light Yellow. And of course a Orange and Black wire coming out that connects to the trunk switch.

Now, my VIN number is: 2***P22SOS****63* (some ommitted, this is the net )

So I guess it is a 95' after all.

-Rabid
As best I can tell, that is the theft deterrent module. Was it just to the rigtht of the radio on the air bag bracket?

If so, the orange wire should have power at all times coming from the courtesty fuse and the pink should have power when the key is ON from the PCM IGN fuse.
Is the ignition switch connected?
Old Jul 1, 2003 | 03:39 PM
  #12  
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Yes, that's where I remember it.

And yes, the ignition works fine. So what do I do about the doors and locks?
Old Jul 2, 2003 | 12:19 PM
  #13  
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Could be something to do with the RAP module. Here is a schematic for it.
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