Strange A/C issues
08-01-2013, 06:43 PM
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Strange A/C issues
Went out on a off roading trek last Sunday and came home to a weird A/C problem.
My Condenser electric fan was on and would not turn off even after the engine cooled and killed my battery. After charging the battery up, I noticed that the relays were buzzing like crazy, the fan was still running, and after I started the engine the A/C compressor was engaged but the A/C controls were all off. When I tuened on the A/C in the cab it was very cold, the A/C lighted button had no effect on the A/C compressor clutch.
The only way I was able turn off the clutch was unplug the wire going to it.
Somewhere there is a short circuit I am guessing. I pulled 5 relays that I found and they all seem to be in good working order. Two from the box near the battery and three from under the dashboard on the passenger side.
1994 4Runner 4x4
Any thoughts where I should look next? Thanks for the help.
My Condenser electric fan was on and would not turn off even after the engine cooled and killed my battery. After charging the battery up, I noticed that the relays were buzzing like crazy, the fan was still running, and after I started the engine the A/C compressor was engaged but the A/C controls were all off. When I tuened on the A/C in the cab it was very cold, the A/C lighted button had no effect on the A/C compressor clutch.
The only way I was able turn off the clutch was unplug the wire going to it.
Somewhere there is a short circuit I am guessing. I pulled 5 relays that I found and they all seem to be in good working order. Two from the box near the battery and three from under the dashboard on the passenger side.
1994 4Runner 4x4
Any thoughts where I should look next? Thanks for the help.
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