Power window won't go all the way up.

[Griffin84ss]

I'm interested in solutions to this problem since I switched to power windows on my 87 El Camino and have experienced the same up and down issues. I am stumped because the motors are new, the weather strips old, the mechanisms were cleaned and re-greased, the guides are not impeding motion, etc.

This thread also triggered some brain cells about having read somewhere that there is an aftermarket setup that enhances window up and down speeds. Does anyone else recall something like this?

I believe that they are or were called window racer something along those lines I recall

 

[Griffin84ss]

I believe that they are or were called window racer something along those lines I recall

OPGI has them $+149. Some change.

 

[57 Handyman]

OMG...a buck and a half, really? Wow, that's kind of steep. While others have suggested to install new motors, the motors in my 87 Elky ARE both new.

Thanks Griffin 👍👍👍

 

[stew86MCSS396]

Can't see any pics...

A Free Trick To Help Speed Up Your Power Windows.

Ive Found A Way To Speed Up (and Repair What Was Thought To Be Bad Motors)for Gm's Power Windows Over The Years Doing My Electrical Work . Heres A Few Tricks Ive Learned That Works And Is Free.the #1 Cause Of Failed Power Windows (other Than Switches Or Wiring) Is Not The Motor Its Self,but A...

www.turbobuick.com

 

[69hurstolds]

Install relays as well to ensure you're getting 12V straight to the motors instead of all those switches and connectors and such.


Suggested wiring modification for the relays (4):