From Jason's Garage - 1964 Cadillac Power Window Relay Testing

Quick video showing how to test a Power Window Relay from a 1964 Cadillac with case removed and things to look forward that cause them to stop working. This would be applicable for other auto electrical relays.

Views: 140

Comment by Jason Edge on March 17, 2017 at 5:38pm

Went back and added a 2nd part showing testing of continuity across the high current circuit after relay case was reinstalled.

Comment by Ian Osborne on March 31, 2017 at 12:08am

Jason, Thank you for another helpful video. A couple questions: Where in the car is the relay located and is a '63 the same as a '64?

Thanks, Ian

Comment by Jason Edge on March 31, 2017 at 7:42am

Ian, The 1964 Window Relay works in conjunction with the Cut-Out switch (lock out switch), found on 1964 Cadillacs but not on 1963 Cadillacs. It is located behind the carpeted lower left kick panel and mounted to the car body via 2 5/16" hex head metal screws. It is referenced in the 1964 Cadillac Shop Manual on page 16-110, Fig 16-128. I have insured a crop in of the llustration seen in Fig 16-128 below:

Comment by Ian Osborne on March 31, 2017 at 10:14am

Thanks Jason,

I am in the process of adding power vent windows to my '63 convertible and bought a harness from a '64 Eldorado and noticed the connector for the relay switch on it. I didn't think the '63s had the relay. I suppose I could either bypass the relay switch on the new harness or add a relay with the new harness.

Comment by Jason Edge on March 31, 2017 at 12:26pm

I would bypass unless you plan on adding a lock out switch... and then you run the possibility of where to mount the switch if your 63 has power door locks, since the 63 power door lock switches were mounted at very front of arm rest switch plate, instead of up on the door panel as in 1964.

Comment by Ian Osborne on April 1, 2017 at 12:23am

I'll bypass the switch, It's the easiest way to go and I don't want to add anything that's not necessary.

Thanks Jason

Comment by Jeff Kinzler on May 18, 2017 at 11:51pm

Hi Jason

This video ( as usual)  is very helpful.

  Is failure of this relay why the windows won't work except through the emergency switch?

Thanks.

Jeff Kinzler

Comment by Jeff Kinzler on May 21, 2017 at 3:09pm
Hi Jason

This video ( as usual) is very helpful.

Is failure of this relay why the windows won't work except through the emergency switch?

Thanks.

Jeff Kinzler
Comment by Stefan on July 12, 2017 at 3:33pm

 Thanks for a helpful video Jason ,relay and  windows works great now.

  //Stefan

Comment by Tony and Ginny 429 on July 12, 2017 at 4:16pm
Where is the relay located in the window motor ?
Is that the relay which energizes the electric motor to run on the higher current output side ?
You need to diassemble the window motor to get to the relay ?

Enjoy

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