You can always bypass the relay with 12v and a jumper wire.. of
course there are also several safety switches in newer A/C systems
like overpressure switches that will keep it from running. Check
voltage at the compressor and if there is none put 12v to it and see
if it "clicks". No need for it to be running for this. After you
are sure that it isn't simple, be prepared for it to never work well
again.. that is assuming that you take it into the dealer.. ;-)
Lester
On Jun 17, 2006, at 8:15 AM, Chris King wrote:
> Listers,
>
> Anyone know how to check a relay? The A/C on my 2000 ford Ranger is
> not
> working because the compressor is not engaging. The refrigerant
> level is
> OK (I have one of those nifty cans with the gauges on it). I'd like to
> make sure it's not something simple before I bring the truck into the
> shop. Fuses are fine, but there's one relay for the A/C listed, and
> I'd
> like to check if it's good or not.
>
> Thanks.
>
> -=Chris
> Chris King
> http://home.comcast.net/~kvcbk/
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