power window upgrade

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tip seal

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Location
tennessee
First Name
tip
Truck Year
1975
Truck Model
c10
Engine Size
350
good morning to all, im new here,and not good at this so please bear with me. im looking to upgrade my 75 scottsdale with factory power windows , using the factory wiring harness. im checking e net , and after market manuals , but none of them show a relay in the system. could someone please guide me to a gm wireing diagram so i can make this as factory as i can. thank you and have a great day.
 

Charlie

Mopar by Birth. Chevy by Choice.
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Euless, Texas
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Don
Truck Year
1974
Truck Model
Cheyenne 10 LWB
Engine Size
350/TH350/AC/4 BBL Quadrajet
:welcome:
 

tip seal

Junior Member
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tennessee
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tip
Truck Year
1975
Truck Model
c10
Engine Size
350
thanks for the welcome sign and thanks for the link to the wiring diagram , i didnt know that the relay was for the power door locks , i thought it was for the window being controled by two different switches
 

tip seal

Junior Member
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tennessee
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tip
Truck Year
1975
Truck Model
c10
Engine Size
350
what this is i have a 75 scottsdale that a uncle of mine bought new in 75 , he placed a camper on it the day he got it , and it has always been garage kept and waxed . it even has the original paint . he has done some customizing and has Eldorado seats and only 76000 miles. he got sick in 94 and died in 96 , three years ago in 2015 i went to his house put in a battery and fired it up and drove it 40 miles to my house on square wheel and a lot of dust. it does however drinks oil , due to what i think is stuck oil rings. but i have a cure for that a roller 383 will be put in soon. as soon as i figure out how to post pics i will do so.
 

gmachinz

Harnessworx Inc
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Location
Iowa
First Name
Jabin
Truck Year
1986
Truck Model
K10
Engine Size
350
What year truck did your power windows come from? Or is it an aftermarket conversion? 1977 was the first year for power windows/locks.
 

tip seal

Junior Member
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Location
tennessee
First Name
tip
Truck Year
1975
Truck Model
c10
Engine Size
350
they came out of an 81 , also did the door lock actuators have a link between it and the latch?
 

tip seal

Junior Member
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Location
tennessee
First Name
tip
Truck Year
1975
Truck Model
c10
Engine Size
350
sorry i messed up , if they did have a link between them i would like to locate them.
 

Merlin3e9

Full Access Member
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Location
Crestview Florida
First Name
Jason
Truck Year
1987
Truck Model
R10
Engine Size
5.7L
If you want a factory style kit I build em!

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Hello,
This is something I'd be interested in. I have an 87 R10 Silverado with very slow windows. Any other sure for slow windows besides a wiring harness upgrade?
Do you by chance make harnesses for the sealed beam headlight upgrade?
PM me and we can discuss further.
Thanks
 

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