Real quick give me a list of things to check when the a/c compressor won't turn on.

Things already checked:
Dashboard switch makes the engine speed change as it tries to kick the compressor on, so the switch prob works

jumped the pressure sensor with a wire, did not turn the compressor on, rules out bad charge or broken sensor

fuses good

I did find that slamming the hood made it come on for about 30 sec. Also, hitting the frame under the hood with a hammer will sometimes do this as well.

Thanks!

 

Check the ground wire.

 

is it the one running from the frame to the valve cover on the exhaust side of the motor?

checking

 

Ok I found the ground wire for the condenser fan and their must be something wrong because it has a charge. It sparked my socket wrench when I went to unscrew it....

 

If you hope to get useful replies, then provide all relevant information about your car and engine:

 

Well first off, unhook the g.d. battery ... there's likely a fuse blown, now, too, to compound the problem.

 

Also, here is some reading: https://honda-tech.com/forums/tech-misc-15/%2A%2A%2Aair-conditioning-c-guide-how-works-when-doesnt%2A%2A%2A-2900177/

 

Added to FAQs sticky. Thanks.

 

i didn't bother to post to post the model info as all 1992-2000 civic's air conditioner's are exactly the same.

I'm just going to replace some wiring that looked corroded and loose near the condenser.

Also is there a easy way to jump the sensor that is on top of the compressor to rule it out?

 

WRONG

You must ALWAYS include information about your car in this tech forum.