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A/C amp issues
07-26-2017, 02:07 PM
Post: #1
A/C amp issues
I have a 1992 Suzuki Sidekick 4dr auto 16v, turbo. I cant seem to get the A/C compressor to engage, it used to work. Did an engine change prior to the turbo, new head and block, hasn't worked since.

I back probed the A/C amp and I'm getting 12V coming OUT of the amp at the yellow/blue and 12V going IN yellow/black wire.

Is there something in between the engine over heat A/C switch and the a/c amp?
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07-26-2017, 08:21 PM
Post: #2
RE: A/C amp issues
as seem here 95 , schematic.
http://www.fixkick.com/air-conditioning.html

yell/blue is overheat switch engine , 0v is good not ever 12vdc, so if the engine is not stock the switch is missing, so ground this wire.
besides fuses, relays and wires.bad.
hi-low switch.

the pink wire pulls in the compressor relay/

http://fixkick.com/
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07-27-2017, 12:56 AM
Post: #3
RE: A/C amp issues
I understand it is ths overheat switch but why is the amp send a 12v signal out on the yellow/blue wire? Its a 16v 1.6 with all of the sensors and switches inplace, its all still there.
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07-27-2017, 11:25 AM
Post: #4
RE: A/C amp issues
Found the problem. Yellow/blue wire does not have continuity from the switch to the A/C amp.
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07-27-2017, 12:50 PM
Post: #5
RE: A/C amp issues
It was the connector at the switch, fully functional now
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08-01-2017, 09:52 AM
Post: #6
RE: A/C amp issues
oops that would do it.
easy fix. no make the amp happy and the hi/low happy and clutch pulls in, glad to hear running !!!!

http://fixkick.com/
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