my wipers only work in low speed. checked power at motor and have power at green wire at low no power on red wire on high.checked power at relay , have power at pin 85 and pin 30 feeding power to pin 87a on low. turn on high and loose power at pin 30 and relay doesnt energise to switch power to pin 87 from pin 87a
.checked fuse all good. when test light hooked to pin 86 relay cycles and completes circuit from pin 30 to 87 but pin 30 has lost power could this be in the switch and is there a way to test the switch with out tearing the steering collem apart
w900 wipers only work in low speed
Discussion in 'Kenworth Forum' started by chap2517, Sep 16, 2018.
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