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Topic: rev counter (Read 530 times) |
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ricky
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rev counter
« on: Aug 15th, 2007, 1:49pm » |
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can anybody help to idendify the wiring for the rev counter, ive checked everything and it must be a wiring fault so i need to find where the wiring goes and what colours the wires are, ive replaced the rev counter, checked everything i can think of but no joy, im sure someone can tell me which wires/colours , or where it gets its feed from many thanks
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pete from Hull
Senior Member
Non Scorpio at the moment, but still interested...
Posts: 1365
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Re: rev counter
« Reply #1 on: Aug 15th, 2007, 2:03pm » |
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Afaik the rev counter is controled by the ecu which recieves a signal from the cps (crankshaft position sensor) which I believe is mounted somewhere near the bottom of the engine.... I may be wrong but if you do a search on the site you should be able to find the information.
hth
pete
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Kjetil S
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2001 BMW 520iat
Posts: 1419
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Re: rev counter
« Reply #2 on: Aug 15th, 2007, 2:11pm » |
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And iirc, the car won't start without a signal from the cps, so the problem must lie between the ECU and the dash board somewhere.
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ricky
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I'm a YaBB newbie!
Posts: 165
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Re: rev counter
« Reply #3 on: Aug 15th, 2007, 2:33pm » |
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sorry forgot to put 2.9 12v so no crank sensor all runs ok just no rev counter
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Simmo
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Re: rev counter
« Reply #4 on: Aug 15th, 2007, 2:40pm » |
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The full wiring diagrams are HERE. Says Sierra BUT it is for the Scorpio. 
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ricky
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I'm a YaBB newbie!
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Re: rev counter
« Reply #5 on: Aug 15th, 2007, 5:11pm » |
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thanks simmo, but i cant understand the wiring, need somebody to understand and read the colours , perhaps i sould admit defeat and go to a auto sparks
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Snoopy
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Very old.BAD tempered and missing friends.
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Re: rev counter
« Reply #6 on: Aug 15th, 2007, 9:55pm » |
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The 12v Rev Counter picks up the pulses for the rev counter from the coil low tension side wiring if that is of any help.
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