Looking for an isolation relay?
GM part number 10022620
You will probably not find a new one. You might find a good used one. I have had many requests to make a reproduction of this GM 10022620 isolation relay.
They come with wires. You cut off the old plugs to your original isolation relay and you butt splice them to the factory wires and use adhesive shrink tube (included in the kit) to make water proof connections. I might look at selling them with new plugs on them. You would still need to cut your old plugs off and butt splice on the new plugs, but it would be replaceable. IMO with a new one like this you should never need to replace it.
Potted in a black ABS plastic box and close to the size of the original.
They have a tab with a hole to mount them in the stock location with the original screw. The wires exit on the bottom.
The wires coming out of them are in the correct colors. You cut off the old plugs on your wiring harness and butt splice them to the factory harness wires and use adhesive lined shrink tube to make a waterproof connection.
The kit includes shrink tube, butt splices and solder:
After you crimp on the butt splices solder the butt splices to make a very durable connection. Do not forget to put the shrink tube pieces on each wire before you crimp the butt splices!
Potted to make them 100% waterproof:
Every one is tested in my test fixture:
If you are having problems with your headlights not working you could consider upgrading to my complete all in one relay kit. My upgrade controller kit puts all three relays in one potted waterproof box. It eliminates the old GM plug in connectors.
Click on the link below:
Isolation relay - 85 pontiac Trans Am:
Just wanted to let you know after spending a lot of time and effort working
on my headlight system your isolation relay was the key to my success!
Thank you for a GREAT product.
North Hamnpton, NH
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