Manual to power windows

Tuffregal83

G-Body Guru
Mar 30, 2016
561
93
Lockport, Il
My question is for a buddy that has a 87 Monte SS with manual windows and he wants to put power windows in it do I have to change wire harness/fuse panel or does the car have the pigtails under the dash somewhere. I know sometimes GM made one harness and would just as fuses and a wire were it was needed. Car is a few hours from me but I can have him look before I take the drive.
Thanks
 

fleming442

Captain Tenneal
Supporting Member
Dec 26, 2013
13,085
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Tuffregal83

G-Body Guru
Thread starter
Mar 30, 2016
561
93
Lockport, Il
I'm sure him and I have parts layin around to make it work with factory wires and plugs
 
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UC645

G-Body Guru
Apr 20, 2020
708
93
Kittanning, Pa
IIRC, there’s a circuit breaker and plug that gets added into the fuse block, runs off the accessory fuse. On my 84, power windows were a separate harness, as well as the power locks.
 

88AZSS

Master Mechanic
Mar 13, 2018
337
93
Mesa, AZ
To answer your question, the harness will need to be added. I did this swap about a year and a half ago. I sourced the harness and switches and all that from ebay.
 
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Tuffregal83

G-Body Guru
Thread starter
Mar 30, 2016
561
93
Lockport, Il
Thanks guys maybe I'll talk him out of it
 

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