Wiper motor issues
04-23-2012, 04:01 PM
#1
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Car: 89 IROC
Engine: LSX 6.0 370, TU2 Cam, Fast intake
Transmission: T56 w/ lots of goodies
Axle/Gears: 8.8, Posi, 4.10, 31 Spline
Wiper motor issues
Ok so here it goes I will try to explain this as best as I can. I was going over all the electrical in the car making sure everything was good to do a safety in the near future. Anyways the wipers dont work at all. Heres where im stumped
Its a older wiper motor witht he internal pump built into it. Ok it gets power to it but it only turns on , on high setting. When it does turn on it only moves the wipers up and down a few inches. Im stumped as to what it could be. I know I have delay on the column but I cant remember if the older motors had delay in them at all? When I turn it to the delay setting i get power on 2 wires in the harness that goes into the side of it.
Is the column a issue as its a delay column out of a later car?
If anyone can help me out let me know as I really want to get the car on the road soon.
Also doesn anyone have the wiring diagram from a 85 motor and a 87 motor as my engine harness is from a 85 and my dash / interior side is from a 87 TPI car
Thanks
Its a older wiper motor witht he internal pump built into it. Ok it gets power to it but it only turns on , on high setting. When it does turn on it only moves the wipers up and down a few inches. Im stumped as to what it could be. I know I have delay on the column but I cant remember if the older motors had delay in them at all? When I turn it to the delay setting i get power on 2 wires in the harness that goes into the side of it.
Is the column a issue as its a delay column out of a later car?
If anyone can help me out let me know as I really want to get the car on the road soon.
Also doesn anyone have the wiring diagram from a 85 motor and a 87 motor as my engine harness is from a 85 and my dash / interior side is from a 87 TPI car
Thanks
04-24-2012, 10:29 AM
#2
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Car: LOWERED ♦ CRIMSON METALFLAKE
Engine: ► 400 KUBES ◄
Transmission: 765R4
Axle/Gears: EATON POSI 4.56
Rain Pain
Turn the wiper switch to the OFF position, then open the wiper motor cover.
Disconnect the 2 pin connector going to the motor, and the 1 pin connector going to ground.
Keep the wiper switch in the OFF position for all these measurements.
Insert a voltmeter in line with the 2 pin connector purple wire and ground.
Turn the ignition key to the ACCY position.
What voltage does the meter indicate?
Now insert the voltmeter in line with the 1 pin connector gray wire and ground.
What voltage does the meter indicate?
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If Your Communications Antenna Is Not Shaking At Idle, Your Cam Is Too Mild
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Disconnect the 2 pin connector going to the motor, and the 1 pin connector going to ground.
Keep the wiper switch in the OFF position for all these measurements.
Insert a voltmeter in line with the 2 pin connector purple wire and ground.
Turn the ignition key to the ACCY position.
What voltage does the meter indicate?
Now insert the voltmeter in line with the 1 pin connector gray wire and ground.
What voltage does the meter indicate?
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Happy Racing!
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If Your Communications Antenna Is Not Shaking At Idle, Your Cam Is Too Mild
.
04-24-2012, 01:45 PM
#3
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Car: 89 IROC
Engine: LSX 6.0 370, TU2 Cam, Fast intake
Transmission: T56 w/ lots of goodies
Axle/Gears: 8.8, Posi, 4.10, 31 Spline
Re: Wiper motor issues
I will check it out for sure hopefully tonight when I get off work and let you know.
The wires are all under the cover I take it?
The wires are all under the cover I take it?
04-24-2012, 04:07 PM
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Car: LOWERED ♦ CRIMSON METALFLAKE
Engine: ► 400 KUBES ◄
Transmission: 765R4
Axle/Gears: EATON POSI 4.56
Rain Pain
Yes.
◙◙◙◙◙◙◙◙◙◙◙◙◙◙◙
Happy Racing!
◙◙◙◙◙◙◙◙◙◙◙◙◙◙◙
If Your Communications Antenna Is Not Shaking At Idle, Your Cam Is Too Mild
.
◙◙◙◙◙◙◙◙◙◙◙◙◙◙◙
Happy Racing!
◙◙◙◙◙◙◙◙◙◙◙◙◙◙◙
If Your Communications Antenna Is Not Shaking At Idle, Your Cam Is Too Mild
.
04-30-2012, 04:18 AM
#5
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Car: 89 IROC
Engine: LSX 6.0 370, TU2 Cam, Fast intake
Transmission: T56 w/ lots of goodies
Axle/Gears: 8.8, Posi, 4.10, 31 Spline
Re: Wiper motor issues
Ok so heres what I got. Keep in mind the Battery I was using needed to be chagered at the time so I used it as it was and it was reading 7.45v at the time of testing
So heres what I got out of the 2 connectors for the wiper motor
Pink - was always hot and had 7.45v all the time
Yellow - had nothing all the time - odd I guess
Grey - had 7.45v when it was in the intermittent position and low
Green - had 7.45v on low and when I used the washer fuild fuction
Second connector
Purple - 7.45 on high
Yellow - was nothing all the time
Heres a video of what is happening when its on. This is the only setting I get it to work on and I think its the LOW setting
http://www.youtube.com/watch?v=-yP4o2yEyjU
So heres what I got out of the 2 connectors for the wiper motor
Pink - was always hot and had 7.45v all the time
Yellow - had nothing all the time - odd I guess
Grey - had 7.45v when it was in the intermittent position and low
Green - had 7.45v on low and when I used the washer fuild fuction
Second connector
Purple - 7.45 on high
Yellow - was nothing all the time
Heres a video of what is happening when its on. This is the only setting I get it to work on and I think its the LOW setting
http://www.youtube.com/watch?v=-yP4o2yEyjU
04-30-2012, 07:03 AM
#6
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Re: Wiper motor issues
Would not the low voltage affect the ability of the wipers to work properly?
04-30-2012, 03:38 PM
#7
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Car: 89 IROC
Engine: LSX 6.0 370, TU2 Cam, Fast intake
Transmission: T56 w/ lots of goodies
Axle/Gears: 8.8, Posi, 4.10, 31 Spline
Re: Wiper motor issues
The motor wasnt hooked up as I was just getting voltages to see whats what with it. It was running before and it was the same issue. Ive just never seen the wipers do the thing they do like in the video before. The clicking in the video is a combination of motor and the wiper transmission. Ive tried 2 motors and both do the same thing and I know the one is fine
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05-05-2012, 12:19 PM
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Car: 89 IROC
Engine: LSX 6.0 370, TU2 Cam, Fast intake
Transmission: T56 w/ lots of goodies
Axle/Gears: 8.8, Posi, 4.10, 31 Spline
Re: Wiper motor issues
Anyone got an idea to try out as Im lost on what to do next
05-07-2012, 04:04 AM
#9
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Car: 89 IROC
Engine: LSX 6.0 370, TU2 Cam, Fast intake
Transmission: T56 w/ lots of goodies
Axle/Gears: 8.8, Posi, 4.10, 31 Spline
Re: Wiper motor issues
Ok im thinkin it might not be a electrical issue as I tried 3 motors and they all did the same thing. Im thinking it might be the wiper transmission was put in wrong. Anyone got a pic of it in your car? Just so I can eliminate it if it is put in right
05-07-2012, 04:11 PM
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Car: LOWERED ♦ CRIMSON METALFLAKE
Engine: ► 400 KUBES ◄
Transmission: 765R4
Axle/Gears: EATON POSI 4.56
Rain Pain
It could be the switch or associated wiring.
As I wrote in post #2, ALL measurements are supposed to taken with the wiper switch in the OFF position.
Re-do the measurements.
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If We Don’t Get Cawt We Ain’t Cheatin
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Originally Posted by 6SIX6
Purple - 7.45 on high
Re-do the measurements.
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Happy Racing!
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If We Don’t Get Cawt We Ain’t Cheatin.
05-08-2012, 06:24 AM
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Car: 89 IROC
Engine: LSX 6.0 370, TU2 Cam, Fast intake
Transmission: T56 w/ lots of goodies
Axle/Gears: 8.8, Posi, 4.10, 31 Spline
Re: Wiper motor issues
My friend and I tested it with the switch off and got nothing on any of the plugs but Im sure we where doing it wrong. I will try it again when I get the car back from the exhaust shop in a few days
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