Instrument cluster dead, need wiring CD - Alfa Romeo Forum
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(Post Link) post #1 of 2 Old 19-10-13 Thread Starter
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Join Date: Oct 2013
Location: Australia
County: New South Wales
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147, 156

Instrument cluster dead, need wiring CD

Does anyone know what might cause the instrument cluster to be totally dead - no display or instruments.
Car is 147 TS 5 speed manual.
History is every now and then this symptom would appear. last for a day or less then go away. I recently had the dashboard out to replace the Air Con TX valve. Everything went back OK, but no dashboard. The 2 fuses are good and devices on the same circuits work, except the Hazard Lights, Have put the switch into another 147 and it works. Indicators work.
I have +12V unswitched on 1 pin and 2 +12V switched. I also have a -12V indicating earth connection is OK. All other pins show fractional voltages (less than 1 Volt or 0V). Scan tool tells me "cannot communicate with instrument cluster".
Also, can anyone advise where or how to get a wiring CD, can only find eLearn Mechanical manual on ebay
Any help will be appreciated - driving me nuts!!

Last edited by alfrad; 19-10-13 at 21:20.
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elearn also contains the electrical diagrams....
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cluster , dead , instrument , wiring

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