1979-1993 & 94 Conv [Subscribe to Daily Digest] |
As a follow up to this issue:
I went through the Swedish Wrench and Townsend Imports Web site suggestions for trouble shooting. I pulled out the AC relay and tested the pins. All of the tests came up okay. I could jump pins 30 & 87b and the AC compresor came on.
I unplugged the AC compressor and pressed the snowflake and still the fuse blew. So I thought perhaps there was a short between the snowflake and the fuse box. I checked the wires under the fuse box and looked at them under the driver dash as best as possible without pulling the lower dash. I blew a box full of #6 fuses trying out my ideas...
Then, following Swedish Wrench, I poked around on the passenger side where connections for the anti frost switch are. Nothing seemed out of order. By then I resigned myself to pull off the lower dash. I started to pull off the lower dash by unscrewing the connecting bolt near the door jam on the passenger side. AND then I remembered something -- when I had the lower dash out to install a brake booster a few months ago -- I fastened it back up but there was a blue wire I could see pinched between the lower dash and the bolt hole on the passenger side bolt. I was too lazy to mess with it then (because that bolt is a pita). That was the fix -- when the bolt got tightened it pinched and grounded out -- presumably this was a wire connected to the anti frost switch because that switch is also connected to the snowflake. I took the bolt out and pulled the wire free from under the dash. Now the AC turns on with the snowflake pressed and the fuse does not blow!
But the next issue is to get the main AC vent to work. Unfortunately it's not the easy fix of the close by hose behind the radio...
posted by 66.92.16...
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