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Old 08-01-2009, 09:13 PM   #31
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Ok, lets try some pictues.

Control panel


back side of control panel


box for controls melted and caracked


close up of melted mode switch area


Connectors on mode switch. Melted plastic.


electrical wires on mode switch


The wiring job I found for the mode switch


Called on account of rain


schematic I found on relays.


I quess I need to know what wires go where. What contacts do the wire/s from the fan switch go on? Do I run a common ground to all 4 relays and if so to where? Ditto with power. Where does the power come from? Do I need to put in line fuses for each relay of does the fuze box take care of that? Boy, do I have a lot to learn.

Thanks to every one for your patinets.

Chris

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Old 08-03-2009, 09:27 AM   #32
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Well, I finally got some time to do more work. I replaced the 3 wires going to the mode switch and forgot what wire went to what terminal. Good think I took pictures of it before I did the work!


Here are the relays I picked up but I am not sure what wire goes were. Any ideas?


After I hooked everything back up, I was able to get the 4 fan speeds to work. It didn't initially until I pulled the resistor block, pushed the connector on to it tightly (was loose). I traced the vacuum line to the resevoire and it was off. It did have a vacuum though. Had to cut about an inch off the rubber line because it was ripped. Still need to trace the vacuum line to the mode switch and see if I can get the AC to work on all the vents.

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Old 08-04-2009, 05:37 PM   #33
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Just an FYI for anyone else doing or reading this Chris and I have used this JP Magazine article and forum thread as reference material. The article is lacking a bit as far as the details and the thread fills in the details.

Jeep Fire Prevention - Jp Magazine

Jeep TJ A/C Fire Prevention Relay set up....NEED HELP! - Jp Magazine Forums at Jp Magazine
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Old 08-10-2009, 10:05 AM   #34
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Ok, a quick update. I had a few hours to work on the Jeep and was able to get all 4 relays wired up. I followed the directions posted on the Jp magazine forum lined above. Here are some pictures.

Had to run a new line from the fuse to the relays. I used the 16 gage wire suggested. Any bigger and I don't think I could have gotten it into the fuse box. I used a 10 -12 gage connector to attach 4 leads to 1, and put on the end terminals.

Connector




Every thing taped


For the ground, I used a small nut and bolt to hold the loop connectors togehter. The wire is 12 gage.


Used liquid tape.


Taped.


I forgot the picture of the relays completed but I'll post it later.

The wiring connection went like this:

Accessory wire from fuse box to terminal 85
Wire from fan swithch to terminal 86
Wire from resistor block to terminal 30
New ground wire (12 gage) to terminal 87

It all worked but in the process I realized the fan switch does need to be replaced so I will do that later. It works on all 4 speeds but is intermittent on the 3rd position. I have to play with the switch to get a connection.

I finally traced the vacuum line and other than the connecton to the resivoir, I have vacuum up to the mode selector switch. I used a short piece of aquarium air line and used it as a jumper. I jumped it from the black hose with the vacuum and jumped it to the other hoses one at a time and got them all to work. It was a pain in the butt but it worked. So, I will be gettng a new mode selector switch as well.
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Old 08-11-2009, 08:41 AM   #35
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Ok, here are the relays taped together.


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