THE AC UNIT IS NOT GETTING ELECTRICITYIT WORKS ...

1994 Volvo 940

Tiny

gabe010

March, 20, 2013 AT 3:12 AM

The AC unit is not getting electricity
It works fine when I manually bypass the circuit, but the actual wire going to it has no juice
Is there an AC relay switch or fuse that I am not seeing?
Or what?

FOUND 5 RELATED QUESTIONS

11 Answers

Tiny

saturntech9

March, 20, 2013 AT 4:45 AM

Whats the ac pressure read when the car is off?If the pressure is too high or low the ac compressor will be shut off.

Tiny

gabe010

March, 20, 2013 AT 12:52 PM

OK
So the pressure is very high when it is not working
However when I "jump" the AC it works and pressure is good
So I still think it is electric
Gabe

Tiny

saturntech9

March, 20, 2013 AT 2:17 PM

How high is the pressure with the ac off?

Tiny

gabe010

March, 20, 2013 AT 2:23 PM

In the red zone
How is this direction of thinking going to help?
I am trying to tell you that the wire going to the AC has no juice
It would have to have electricity to shut off !
When I do get current to it it works and does NOT shut off and pressure is good
It is Not the AC, it is electrical.
Can you help or not?
G

Tiny

saturntech9

March, 20, 2013 AT 7:46 PM

I can help do you have turbo or non turbo so I can findthe correct wire diagram?

Tiny

gabe010

March, 20, 2013 AT 9:14 PM

Turbo
Thank you
Gabe

Tiny

saturntech9

March, 21, 2013 AT 12:55 AM

Alright with the ac on and the car running you should have power across the low pressure switch both wires on the accumulator?You should also have power across the high pressure switch both wires behind the center of front bumper?

Tiny

gabe010

March, 21, 2013 AT 1:07 AM

If you're talking about the cable which is on tope left (sa facing car) right next to where the refill nipple is: that's where there is no electric no matter what

Tiny

saturntech9

March, 21, 2013 AT 2:01 AM

Where your drier is?Thats the low side switch that gets power from your ac controls switch. Go back to your ac controls switch see if you have power out of the green wire with a red stripe with the ac on and the car running?

Tiny

gabe010

March, 21, 2013 AT 2:02 AM

Thanks
Will check tomorrow

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