1983 Mazda RX-7 Wiper/Washer System

All models have a 2-speed wiper motor with intermittent wipe feature. GLC and RX7 models may be equipped with a rear window wiper/washer system. The wiper switch for GLC Wagon is a lever on the left side of the steering column…

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On all other models wiper lever is on the right side of column. A time delay relay is used to control the intermittent cycle on all except RX7 models. On RX7, wipers are timed by the Control Processing Unit that also operates a number of other accessories.


  1. Remove wiper motor from vehicle. Connect jumper wires to connector at motor to check both speeds. For low speed, connect battery voltage to Blue wire terminal and ground the Blue/White terminal. For high speed, ground the Blue/Red terminal instead.
  2. To check the park switch, apply battery voltage to the Blue wire terminal. Connect a jumper wire between Blue/White and Blue/Black. Ground the Black wire. Motor should run briefly and stop.
Download 1983 Mazda RX-7 Wiper/Washer System pdf from foxed.ca, 458 pages, 4507.61KB.
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