Wiper motor
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Senior Member
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Joined: Mar 2003
Posts: 859
Likes: 5
From: Birmingham Alabama
Car: 1991 Firebird convertible
Engine: LQ4 ls 6.0
Transmission: 4L60E
Axle/Gears: 342 Limited slip
Wiper motor
I am trying to find out if my wiper motor is bad and I need to know witch wire do I test to see if I am getting power to the motor? it is a 91 firebird
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Joined: Sep 2002
Posts: 9,192
Likes: 20
From: Cary, North Carolina
Car: 1992 RS
Engine: Carbed 350
Transmission: 700R4
Axle/Gears: 3.42 posi
Re: Wiper motor
Wiring diags here for almost every 3rd gen - any of the 1992 wiring guides (alot of them farther down the page) will apply to your 1991 car:
http://www.austinthirdgen.org/index.php?pid=19
http://www.austinthirdgen.org/index.php?pid=19
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Joined: Sep 2006
Posts: 573
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From: San Antonio, Tx
Car: 1988 Camaro IROC-Z
Engine: LB9 (305 TPI)
Transmission: 700R4
Axle/Gears: 2.73 Positraction
Re: Wiper motor
Good rule of thumb that usually holds true for 3rd gens is red = hot at all times, pink = hot in run and start, brown = hot in run. Other colors tend to be specific application like sensor wires or function triggers.
Thread Starter
Senior Member
iTrader: (2)
Joined: Mar 2003
Posts: 859
Likes: 5
From: Birmingham Alabama
Car: 1991 Firebird convertible
Engine: LQ4 ls 6.0
Transmission: 4L60E
Axle/Gears: 342 Limited slip
Re: Wiper motor
Ok so witch should I test to see if I have a bad motor? there are 6 wires on the motor
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Joined: Jan 2006
Posts: 3,341
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From: Mooresville NC
Car: LOWERED ♦ CRIMSON METALFLAKE
Engine: ► 400 KUBES ◄
Transmission: 765R4
Axle/Gears: EATON POSI 4.56
Rain Pain
Open the wiper motor unit.
Apply 12 volts to the purple wire.
If the motor is good it will run.
◙◙◙◙◙◙◙◙◙◙◙◙◙◙◙
Happy Racing!
◙◙◙◙◙◙◙◙◙◙◙◙◙◙◙
How bout those too scared to drive without headlights in the daytime
and the ones that need headlights for a little rain
.
Apply 12 volts to the purple wire.
If the motor is good it will run.
◙◙◙◙◙◙◙◙◙◙◙◙◙◙◙
Happy Racing!
◙◙◙◙◙◙◙◙◙◙◙◙◙◙◙
How bout those too scared to drive without headlights in the daytime
and the ones that need headlights for a little rain.
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