1st February 2021, 18:57
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#11
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Doesn't do things by halves
Rover 75 2.5 Connoisseur Auto (1999) Dealer launch model.
Join Date: Mar 2007
Location: Former Middlesex
Posts: 20,385
Thanks: 1,587
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Quote:
Originally Posted by cbr1100xx
Hi simon ... I have a multi meter so what would be the best way of checking the wiring.
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- Large relay on the RHS, thick red wire. Place your voltmeter between there and earth. Turn on ignition and press the windscreen demist button. Do you see 12v?
- Middle relay, thick grey wire. Place your voltmeter between it and earth. Locate trinary switch in refrigerant pipe at rear RH corner of engine bay. Bridge pins 2 & 3 (yellow/grey & black wires). Turn on the ignition & press windscreen demist. Do you see 12v?
Simon
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"Whatever is rightly done, however humble, is noble."
Sir Henry Royce.
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