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#334227 03/30/24 10:47 AM
Joined: Jan 2010
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Looking for how to test an apparent rebuilt (blue metallic paint on motor base) wiper motor in my 69. Motor was running very slowly and only on one speed and now doesn't seem to work at all. Before ordering a new one, I'd like ton verify if it's the motor or a wiring/switch issue. Can anyone tell me what terminals on the motor to test with 12V+? There are three terminals: two side by side, one of which has two black with yellow stripe wire, and the other which seems to be just black. then there's a separate single terminal with a black wire with single light blue stripe on it. Thanks!

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GMD #334229 03/30/24 02:58 PM
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Given that the parts book shows the '69 wiper motor is the same as the '68...... attached is a .pdf of a chart from the '68 Diagnosis Manual on the connections to test the motor.
WiperMotorPart.jpg
Attached PDF document


Jim
'68 400HO Conv.
Jimc2002 #334230 03/31/24 09:23 AM
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Many thanks! Although my wiper motor (suspected rebuild) has only 3 terminals vice the 4 shown in the PDF, I think I can work it out. Appreciate the help and the quick reply!

Grant


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