Re: Dashboard wiring

Posted by HH56 On 2016/11/15 9:49:51

The pinging sound is most likely a circuit breaker opening. They are self resetting and if a short is sensed it cuts off and then resets in a second or two. It will keep that up until the short is fixed or the breaker fails. One breaker is located at the end of the headlight switch and another one (or two) is on the back of the instrument cluster. If it does it with the key off it is most likely the headlight breaker. If the key has to be on then the accessory breaker on the cluster. Depending on what was bumped you may find the problem quickly but if the insulation in the loom is cracked and a piece flaked off it could be a daunting task to find. Where did you connect the power for the radio? If that was hooked to something fed by the breaker the radio could be pulling too much current.

Here are a couple of photos taken by BDeB showing what to look for and locations. A 49-50 cluster is shown. Earlier clusters will have the breaker in the area above the clock.

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