94 caprice - body 2 circuit - Chevy Impala SS Forum
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post #1 of 33 (permalink) Old 07-04-2019, 03:06 AM Thread Starter
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94 caprice - body 2 circuit

How's it going everyone? Long story short, I'm taking everything out of my Camaro and throwing into the caprice. It's all out and ready to go in now. I'm getting ready to pull everything out of the caprice, but my problem is I have a parasitic draw in the caprice. I figured I would take care of that now before the swap. I had a draw of almost 3.5 and I found that the alternator was bad as I disconnected it and the draw went down to 1.4 but still a decent draw. I've pulled every fuse and relay. Body 2 fuse 11 under the hood is drawing, when I remove it the reading drops to .34 which I believe is normal draw (if not chime in plz). The problem I'm having is I can find nothing on that circuit, like what all runs through it, where are some good places to look? Are there any common issues on these bbodys that run with that fuse? Wouldn't most things in the interior fuse panel run through that circuit, if so why cant I find the draw pulling all those? Sorry I'm not too savvy with electrical stuff but I'm trying. So far I've had the battery charged and tested, disconnected the alternator, pulled every fuse, and relay to check (only came up with body 2 fuse 11), I've pulled the radio, pulled off the bottom bezel and checked all wiring, checked most of the grounds in that area.... I've even pulled the ashtray light, and the glove box light, trunk light, heck I pulled the whole interior lights relay out from under the dash. I am stumped. If anyone has and knowledge, or advice I would highly appreciate it. This issue has been going on for ever, I'm just getting around to fixing it for the swap. Thanks
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post #2 of 33 (permalink) Old 07-04-2019, 06:40 AM
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Do you have an FSM? It has the wiring diagram in it. You can find the wiring diagram in the back of the Haynes Manual as well. Either will tell you what is in the circuit. It will make finding, and checking components a lot easier.

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post #3 of 33 (permalink) Old 07-04-2019, 08:14 AM
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A big +1 on a FSM. It'll make EVERYTHING easier on your project. I'm not much on electrisicals either, but our cars have a rep for at least as many (or even More) shorts as any others. Maybe run out every time the temp changes drastically and measure to see if it's something variable/intermittent. Can relays stick partway? The reason I think of all this is an '80 Riv (the flimsy metal sheets with the rotting foam separator contact type design) that blasted the horn at 2AM going into Fall when it started frosting.



Also, get a friend to wiggle TS outta the wiring everywhere (even take out the seats and get a stick to poke under the dash) while you're measuring.

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post #4 of 33 (permalink) Old 07-04-2019, 09:57 AM
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Diagrams here:
Goldswagon


I do not have much time this morning. By memory there should be a 94/95 diagram that will help you.


That body fuse powers eight fuses in the in car fuse box. You should be able to pull them and at least isolate the draw to one fuse circuit.

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post #5 of 33 (permalink) Old 07-04-2019, 02:40 PM Thread Starter
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I dont have a fsm atm but maybe I can download one. Funny thing is I swear I do have the Haynes manual, idk where it is. But thanks guys. So I will try to get the manual, and zo9b4u awesome man I will check that out. Appreciate the time you guys took to try an help me, I will be messing with the old gal today. I am gonna take out the seats anyway just so I can check my floor plans considering my poor Camaro is essentialy junked now because of its floors. From what carpet I have pulled back the caprice has no rust yet. Better safe than sorry though. I will keep you fellas updated, thank you!!
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post #6 of 33 (permalink) Old 07-04-2019, 03:08 PM Thread Starter
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Sweet... started pouring out lol. Dang man, it never fails.
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post #7 of 33 (permalink) Old 07-05-2019, 01:27 PM Thread Starter
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So I manage to check the draw of each fuse. T. Sig stayed at .06, wiper stayed at like .08, but cig fuse stayed at 1.5. I pulled the fuses and still have the 1.5 draw off body 2. If I'm correct cig runs threw that fuse, and I have it disconnected and still have a draw, what could that mean?
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post #8 of 33 (permalink) Old 07-05-2019, 03:46 PM Thread Starter
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Ok I was wrong. I found the draw sort of. It's not the cig fuse, I have no idea why that was showing draw off the fuse I really dont. I ran the multi meter in series on the bat ground, pulled every interior fuse and had my girlfriend watch it. I put them all in 1 by 1. Just 2 fuses have a draw. Fuse 33 (clus-chi) and fuse 34 (pass-key). The chime one not so bad I should be able to figure that out it's the passkey one that scares me. What should I do next? If anyone has a clue plz let me know. I have the door switch disconnected so I'm not sure if passkey is having one of them temp draws due to the multimeter being on the terminal, you know like waking up the pcm? If anyone could chime in I'd appreciate it.
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post #9 of 33 (permalink) Old 07-05-2019, 05:12 PM Thread Starter
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Update... So with both of those fuses in it has the draw of around 1.4-1.5, fuse 34 has a draw of around .60 and fuse 33 the clus-chi has a draw of around 1.10-1.13 oddly. So I pulled the chime module (little green box under the dash) and the draw is gone off fuse 33 (clus-chi) but still on fuse 34 (pass-key). So fuse 34 is out, fuse 33 is in, and the green box is out. The car starts run good. I will be going to get the module box tomorrow if I can find it and hopfully that fixes the pass key fuse 34 drain. For anyone that wants to know, there are 2 passkey fuses fuse 34, and fuse 14. I guess the car can run along as fuse 14 is in. With how everything how it is now, it has a .34m draw which I believe is normal (correct me if I'm wrong please)
Sorry for writing so much, hopfully my messy info can help someone else in need some day. If anyone knows why fuse 34 pass-key still has a little draw pet me know please because it still has the draw even with the green box out. But thanks to everyone that is helping,I appreciate it!
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post #10 of 33 (permalink) Old 07-05-2019, 06:03 PM
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Quote:
So I pulled the chime module (little green box under the dash) and the draw is gone off fuse 33
The chime module is what powers the courtesy light relay so if a door is open the chime module will draw some power.



Quote:
I will be going to get the module box tomorrow if I can find it and hopfully that fixes the pass key fuse 34 drain.
You can not just change the PASS-KeyII module. There are 15 key pellets. The key pellet must match the module. Unless you find a 9C1(police) one that does not use a key pellet.

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