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Paul M ASE Master
Paul M ASE Master, ASE Master Tech
Category: Pontiac
Satisfied Customers: 4681
Experience:  ASE Master Tech 20+ Years
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Pontiac Grand Prix: I need to somehow manually engage my A/C

Customer Question

I need to somehow manually engage my A/C compressor
Submitted: 1 year ago.
Category: Pontiac
Expert:  Paul M ASE Master replied 1 year ago.

Hello I'm Paul and I will help you with an Answer to your Question

you can pull the relay and then put a jumper wire between the switch pins of the relay

G8 and E7 in the diagram I am attaching

the relay itself should show a schematic on it also

click here for ac compressor diagram

 

Remember to rate my answer positive so I get credit for my help.

 

If you need more help just log in to the site and reply the question will remain for follow up.


Paul

Paul M ASE Master, ASE Master Tech
Category: Pontiac
Satisfied Customers: 4681
Experience: ASE Master Tech 20+ Years
Paul M ASE Master and other Pontiac Specialists are ready to help you
Customer: replied 1 year ago.
What could I use for a jump wire?
Expert:  Paul M ASE Master replied 1 year ago.

you need a peace of wire and strip both ends so you can insert into the pins under the relay

A paper clip can work but I would be careful if you go that route because it can get hot and burn your fingers.

Normally I find an old peace of electrical wire and cut a short peace and stripe both ends

 

Paul

Paul M ASE Master, ASE Master Tech
Category: Pontiac
Satisfied Customers: 4681
Experience: ASE Master Tech 20+ Years
Paul M ASE Master and other Pontiac Specialists are ready to help you
Customer: replied 1 year ago.
I'm trying with a household 110 whit wire I think it's goin in but nothing happens .. If I am reading the diagram right is the two pins on the right need to be relayedI think
Expert:  Paul M ASE Master replied 1 year ago.

the relay itself should have a diagram also

 

and the bottom usually has the PIN numbers

 

a house wire would work... do you have a test light?

if you you can take a picture of the Relay ... the relay diagram and the pins under the relay you can upload them using the paper clip above the text box

and I can verify you are jumping the right ones

 

Paul

Paul M ASE Master, ASE Master Tech
Category: Pontiac
Satisfied Customers: 4681
Experience: ASE Master Tech 20+ Years
Paul M ASE Master and other Pontiac Specialists are ready to help you
Customer: replied 1 year ago.
I tried all possible connections but nothing happened.. Is my compressor bad?
Expert:  Paul M ASE Master replied 1 year ago.

you need a test light to see if your getting power to the relay pins.

a volt meter or test light for testing.

and I can tell you what to check

 

if there is no power getting to the relay jumping it will do nothing also if you have a bad ground somewhere could do the same.

Have you checked the AC clutch fuse 30 (10 amp)?

to help you further I need you to have a test light or meter and I can direct you on what to check

 

Paul

Paul M ASE Master, ASE Master Tech
Category: Pontiac
Satisfied Customers: 4681
Experience: ASE Master Tech 20+ Years
Paul M ASE Master and other Pontiac Specialists are ready to help you
Customer: replied 1 year ago.
So I definitely figured something out I switched out that relay with my highbeam relay but I was wiggling at around the same time they're the same kind of relay and my compressor engaged only when I pushed in the relay very hard.. And it seems real sensitive to touch you can hear a little snapping in there does that mean that I have a bad fuse board?
Expert:  Paul M ASE Master replied 1 year ago.

you could have a bad connection there or a loose wire under the pins.

do you see any corotion?

if you move it around and tap on it does it stay running?

 

Paul

Paul M ASE Master, ASE Master Tech
Category: Pontiac
Satisfied Customers: 4681
Experience: ASE Master Tech 20+ Years
Paul M ASE Master and other Pontiac Specialists are ready to help you
Customer: replied 1 year ago.
No corrosion .. But it. Does turn on and off if I wiggle it..
Expert:  Paul M ASE Master replied 1 year ago.

you may need to open the fuse box and look for a bad wire or loose wire.

you may need to replace it but you might want to see if it can be repaired

 

Paul

Customer: replied 1 year ago.
How hard is it to open up the fuse box so I can look at the wires I hate wires by the way lol... Everything else on my car I can fix no problem but wires really intimidate me
Expert:  Paul M ASE Master replied 1 year ago.

different boxes are different

 

usually there are a couple of 10mm bolts that hold it down and often there are many clips that you need to pry open with a flat head while trying to pull it apart.

there is no detailed information in my databases for going inside the panel but you pretty much need to look at it for bolts and clips

you may also want to disconnect the battery first so you don't have any issues

I would think a shop would charge you around $100 to go in and look for the problem

 

Paul

Customer: replied 1 year ago.
Thanks a lot! Very helpful..
Expert:  Paul M ASE Master replied 1 year ago.

No problem

 

Thank you for using Just Answer

 

Paul

Customer: replied 1 year ago.
Do I have to take all the fuses and relays out to take the face off to look at the wires?
Expert:  Paul M ASE Master replied 1 year ago.

normally it will come apart with the fuses still installed

it usually splits in two


Paul

Customer: replied 1 year ago.
Took it apart and fiddled with it and its working now.. Thank you
Expert:  Paul M ASE Master replied 1 year ago.

Thats good news

 

I'm glad you have it working again.

 

Come see us again if you need help in the future

 

Paul

Paul M ASE Master, ASE Master Tech
Category: Pontiac
Satisfied Customers: 4681
Experience: ASE Master Tech 20+ Years
Paul M ASE Master and other Pontiac Specialists are ready to help you
Customer: replied 1 year ago.

so it looks like it finally died :(..I opened everything up and you cant see wires back there because the box is separated into blocks inside the fuse box that just have the wiring harness wired right in. My question is how hard would it be to install a new box with wiring and everything ? Seems like it is a last resort but the A/C relay is completely not making the connection anymore..it pops a little but doesn't work at all anymore.


thanks

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