73-87 Chevy _ GMC Trucks > Power Windows & Door Locks

Electric window loud noises, stuck sometimes

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buzzman351:
is it possible to add just one relay to the up movement on the window motor. there is no issue going down

bd:
Start by cleaning and lubricating the window mechanism and glass channels then check channel alignment to make sure the glass isn't binding.  Once the 'mechanicals' are verified in good working order, check voltage drops across the switches and wiring.

buzzman351:
i completed all of the troubleshooting steps. i built a relay harness and i am going to install it tonight. should i go directly to the battery or is there another location

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