How To Test Gm Wiper Motor Wiring And Washer Pump Impal Retro fit your pump like i did: watch?v=ptyha3px dwall my videos are in 1080p hi def so check that outcar is a 1970 chevelle with a. The wiper switch itself must also be grounded. the yellow wire to the motor is hot anytime the key is on and the switch provides the ground for the motor and pump operation. i don't have a picture of a '69 wiper ground, maybe someone else can provide one. billl. if you keep on livin', you're gonna get old.
How To Test Gm Wiper Motor Wiring And Washer Pump Impal If it has four terminals then the top two are connected together. do not mistake the connections for the washer pump. you need to jumper 12vdc to the top terminal and ground to the bottom terminal. the wiper motor should run. if you move the ground jumper from the bottom terminal to the next one higher, the wiper motor will change speed. We tested the motor tonight. it is not exactly like the one in the video, but close enough. we have the yellow line running the power and then a three part connector that attaches to three blades. the two outer ones control the two speeds of the wipers. the middle blade is for the pump. To check the integrity of wiring under hood with the switch still mounted in the dash, you can use a simple test light. having an assistant in the driver's seat makes testing much easier. begin by disconnecting the wiring harness from the wiper motor (and washer pump if equipped). (each step in the sequence assumes the previous step worked. Inside picture of a 69 windshield washer pump. i am attempting to rebuild my wiper motor and washer pump assembly. i had so much caked grease on the washer pump that i could not really tell how the thing was originally installed. now that everything is clean and i am putting everything back together i am stumped on the final assembly.
How To Test Gm Wiper Motor Wiring And Washer Pump Impal To check the integrity of wiring under hood with the switch still mounted in the dash, you can use a simple test light. having an assistant in the driver's seat makes testing much easier. begin by disconnecting the wiring harness from the wiper motor (and washer pump if equipped). (each step in the sequence assumes the previous step worked. Inside picture of a 69 windshield washer pump. i am attempting to rebuild my wiper motor and washer pump assembly. i had so much caked grease on the washer pump that i could not really tell how the thing was originally installed. now that everything is clean and i am putting everything back together i am stumped on the final assembly. Wiper motor test bench diagram. here it is, by request. use test leads to connect switch to motor. test switch between metal part and spade terminals for 0 ohms in each position. low is just light blue at 0 ohm, high is both black and light blue at 0 ohm. washer low are light blue and dark blue at 0 ohm. The other 2 wire connector that's just hanging there is for the washer pump that appears to be missing from your motor. that shouldn't be preventing the wipers from working though. the black & light blue wires from the motor run directly to the dash switch. the switch grounds both of those wires to run the motor on low speed.
How To Test Gm Wiper Motor Wiring And Washer Pump Impal Wiper motor test bench diagram. here it is, by request. use test leads to connect switch to motor. test switch between metal part and spade terminals for 0 ohms in each position. low is just light blue at 0 ohm, high is both black and light blue at 0 ohm. washer low are light blue and dark blue at 0 ohm. The other 2 wire connector that's just hanging there is for the washer pump that appears to be missing from your motor. that shouldn't be preventing the wipers from working though. the black & light blue wires from the motor run directly to the dash switch. the switch grounds both of those wires to run the motor on low speed.
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