No Rev Counter...No Speedo...Oil, Temp, Water, Gas seem ok.
How do i eliminate wiring...dont want to fork out for new cluster uneccessarily. Are there any tests or adjustments that can be made...or is that it and a new cluster is required.
a 6ya Mechanic can help you resolve that issue over the phone in a minute or two.
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The instrument cluster is a hybrid electronic cluster (HEC) with two basic configurations, the base cluster and the optional instrument cluster. In addition to the two basic configurations, the SVT uses a modified optional cluster in combination with a separate oil pressure and oil temperature cluster. The base instrument cluster, optional instrument cluster and the oil pressure and oil temperature cluster receive and output information utilizing both hardwired circuitry and the standard corporate protocol (SCP) or the controller area network (CAN) communication network (2.3L only).
It is very important to understand:
where the input originates from.
all the information necessary in order for a feature to operate.
which module(s) receive(s) the input or command message.
does the module which received the input control the output of the feature, or does it output a message over the SCP or CAN network to another module?
which module controls the output of the feature. Its more then likely you need a new instrument cluster.
The only place I know of to view the wiring diagram is in the workshop manual . Your friendly sparky may print out the page for you. If not invest in the manual, you will save the price on the first repair.
It's unlikely you may have a loose instrument cluster connector unless someone was previously working around that area behind it. If no activity before hand then I'm guessing you may have a deteriorating instrument cluster that needs replacing. You can find people selling in ebay (lower price) or directly from the dealer.
My 04 Ford Focus the battery light keeps coming on & going off, have fitted a new alternator belt but it didn't solve the problem. The battery connections are good. Also the rev counter, speedo & mileage clock keep going haywire when the battery light is on. Do you think it is the alternator? Or is it some other common problem?
Chevy is known for using a cheap grade of wiring harnesses that corrode over time and short out. my 93 s10 blazer had a bad wire in the transmission harness resulting in only 2nd and 3rd gear and wouldnt shift by itself, i dont know if im right but something to check into.