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  #21  
Old 05-24-2012, 10:30 PM
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The screw locks should rotate when the trunk lid goes up and down. Most relays will click even when they don't work. Don't over think the problem. Just remove the relay and clean it.
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  #22  
Old 05-24-2012, 11:03 PM
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Quote:
Originally Posted by jopizz View Post
They're pretty easy to clean. Just unsolder the ground tab and pry the case open. I have had a few that were so rusted that the contacts were gone but if it worked before a good cleaning should do it.

John
Sounds like a project for this weekend. Looking at it, it seems the entire relay assembly has to come out to get at one. Is that right? Will what needs to be cleaned be obvious once I get it apart?
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  #23  
Old 05-24-2012, 11:19 PM
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You can remove them individually. Just remove the screw from the power bar and the mounting screw and it should slide out. It's wise to take off the battery cable because the power bar is always live. When you take it apart you will see the small contacts. You should also clean under the center post.
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  #24  
Old 05-25-2012, 06:58 AM
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I'll have to look again after work, but I thought I only saw one screw attached to the bar running down between the relays. Is that the power bar? I removed that yesterday and the relay wouldn't budge, didn't see any other obvious screws. Where's the other screw?
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  #25  
Old 05-25-2012, 10:45 AM
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The other screw is at the base of the relay. The wire harness may be covering it. The deck open relay is in the back so it's tougher to get to. Here's a drawing of the relays and you can see the screw at the base.
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  #26  
Old 05-25-2012, 10:56 AM
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Ah. It's likely going to be easier to loosen the panel, it's buried under the bulkhead. I couldn't even get a straight shot at the upper screw.

With some luck, I'll get it fixed up tonight and still make Cars & Coffee in the AM.
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  #27  
Old 05-25-2012, 10:57 AM
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Quote:
Originally Posted by dgs View Post
...Will what needs to be cleaned be obvious once I get it apart?
Quote:
Originally Posted by dgs View Post
...The question is, bad relay, bad wiring, bad ground, or ??
Doug, you will answer these questions once you expose the relays.

John provided a great illustration showing the bus bar on top and the mounting screws on the side. Sometimes it helps to look up the relays sold by our vendors, so you can see the mounting holes.
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  #28  
Old 05-25-2012, 12:05 PM
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Here's a picture of the relay disassembled. I believe the deck unlock relay only has one contact like this one. Some have two. You want to clean the contacts and also between the bottom plate and magnet.

John
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  #29  
Old 05-25-2012, 08:55 PM
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Got the relay out and disassembled. Looked pretty clean inside, but I gave it a good cleaning. Got to get it back together yet, but I thought you'd get a kick out of what else I found.

(Full sized image here.)

That's the ground wire from the pump to the relay panel. Two wires, sorta twisted together and globbed up with solder. Fell apart as I removed the relay panel. I cut the mess off, stripped it and put a wire nut on it. I might go back later and replace it with a proper single wire, but the wire nut will be better than that mess.

I don't think this is in the circuit that I'm having trouble with. It's a bit surprising that the pump worked, given this crappy ground wire.

Grandpa had hired an old friend to do work on his cars for many years. When his friend was no longer able, he hired the son. The son wasn't nearly as good as Dad, I've found work like this in several places on the car. Had to replace both deck cylinders because of his shoddy plumbing, the power window switches are cobbled together, the top pump isn't mounted correctly and I found one window motor laying in the bottom of the door, no mounting bracket in sight. Fixing them as I find them.
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Last edited by dgs : 05-25-2012 at 09:57 PM. Reason: Fixed image
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  #30  
Old 05-25-2012, 09:41 PM
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Good pic of a relay, John.
Doug, I'm dying to see your pic but it didn't post.
Regarding others working on your car; assume nothing and go through each task with the resolve that it needs to be redone. You will surprise yourself with how much you can really do, once you get into these problems.
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