Wiper motor diagram - Chevelle Tech
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Electrical & Wiring Troubleshooting electrical problems.

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  #1  
Old Mar 18th, 04, 4:55 PM
70MalibuNorway 70MalibuNorway is offline
 
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Does anyone know of a webpage where I can view a wiring diagram for the wiper motor in my 70' Chevelle? I have bought an overhauled unit but I can't figure out how to connect it. It is for concealed wipers. It has 4 connectors, 1 on top of the other 3. My wiper switch has three connectors. I tried to search for previous topics on this but I am still not quite sure what to do after having read through them. Please help! Thanks.
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  #2  
Old Mar 18th, 04, 5:10 PM
supersport396_2000 supersport396_2000 is offline
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One for my 68 ,dont know if there the same is posted on my webpage.
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  #3  
Old Mar 18th, 04, 6:03 PM
70MalibuNorway 70MalibuNorway is offline
 
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Thanks, but it seems a little different than mine, with the 5 connectors the schematic shows.
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  #4  
Old Mar 18th, 04, 6:58 PM
Patrick O'Rourke Patrick O'Rourke is offline
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You have fou connectors on your wiper motor? or do you have four wires? two conectors?
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Old Mar 18th, 04, 7:13 PM
Dean Dean is offline
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posted for John_Muha
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The 68-72 hideaway wiper system.

1. Wiper switch. (grounds the three attached wires as follows)

Light Blue- grounded in Low-speed and Hi-speed positions.

Black- grounded in Low-speed and Off positions.

Dark Blue- grounded when pushed for washer pump operation.

2. Run solenoid. The Light Blue wire is grounded to lock out the park (mechanically prevents the wipers from being driven to the park position) and close the run/park switch.

3. Shunt winding. This winding is parallel to the armature winding.

4. Series winding. This winding is in series with the armature and shunt windings.

5. Run/Park switch. Closed when the run solenoid is energized (Light Blue wire grounded) or when the run solenoid is de-energized and wipers are not in park position.

6. Wash pump start coil. When the Dark Blue wire is grounded this coil latches the wash pump for one cycle.

7. Shunt winding resistor. Grounds the shunt winding during high-speed operation, bypassed (Black wire grounded) during low-speed and park.

8. Wiper motor fuse (25 amp) in fuse block. Has +12 VDC when ignition switch is in run or accessory position.

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  #6  
Old Mar 18th, 04, 10:26 PM
Coppertop Coppertop is offline
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C'mon guys, let's make it simple



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  #7  
Old Mar 18th, 04, 11:10 PM
street/strip68 street/strip68 is offline
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nice.... good info. [img]graemlins/thumbsup.gif[/img]
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  #8  
Old Mar 18th, 04, 11:15 PM
John_Muha John_Muha is offline
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Quote:
Originally posted by Coppertop:
C'mon guys, let's make it simple
Need to show up more often Joe with easy answers. Less work for the old folk.
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  #9  
Old Mar 19th, 04, 7:04 AM
70MalibuNorway 70MalibuNorway is offline
 
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Thanks guys, you have been most helpful! [img]smile.gif[/img]
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  #10  
Old Mar 24th, 04, 3:14 PM
70MalibuNorway 70MalibuNorway is offline
 
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I have the wipers working great now, except when it is in high speed smoke starts coming from the unit after a little while. I bought the unit reconditioned. Is there a resistor power goes through at high speed? Might it just be paint that is burning?
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  #11  
Old Mar 26th, 04, 9:15 AM
70MalibuNorway 70MalibuNorway is offline
 
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Anyone? I would appreciate your replies! [img]smile.gif[/img]
Smoke also appears in low speed after a longer while.
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Old Mar 26th, 04, 9:52 AM
John_Muha John_Muha is offline
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I have not seen one smoke. There is no resistor inside. Speed is controlled by the switch selecting the different motor windings.
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Old Mar 26th, 04, 1:48 PM
70MalibuNorway 70MalibuNorway is offline
 
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So it has to be a wire that is too thin for the amount of current? It's not supposed to smoke anyways.
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  #14  
Old Mar 26th, 04, 5:53 PM
John_Muha John_Muha is offline
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Smoke from the motor indicates that it is shorted inside. Either the motor is not wiring correctly or one of the windings are shorted.
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