am working on a 1999 freightliner school bus windshield wipers and just replaced the motor. i match the wires up ground with ground, red with red and black with black but nothing works but when i switch the red and black wires it starts going but doesn't shut off when you turn off switch. ive replaced the switch and dose same thing. what could it be?

Asked by Jul 31, 2017 at 02:20 PM

Question type: Maintenance & Repair

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