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SportTrac Discussion
Electrical
Instrument cluster energizes when truck is off. Odometer comes alive, as does the message center, radio, and interior lights when truck is off.
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<blockquote data-quote="Evox" data-source="post: 1042056" data-attributes="member: 74754"><p>I think it's silver migration bridging a connection to the ground on the circuit board. I can't confirm it. But that's what I think it is. If I can find it, I could fix it with a pencil eraser. It's just a type of metal corrosion where the metal on trace is drawn to a positive current. Over time the metal atoms actually form a bridge to the connection. </p><p></p><p>So if you can find it and get rid of the bridge, you can fix the problem. F2-25 is an always hot lead to the instrument cluster. If I had a diagram of the instrument cluster, I could probably find it. Of course, it could also be under a switch on the board, making it difficult to find.</p></blockquote><p></p>
[QUOTE="Evox, post: 1042056, member: 74754"] I think it's silver migration bridging a connection to the ground on the circuit board. I can't confirm it. But that's what I think it is. If I can find it, I could fix it with a pencil eraser. It's just a type of metal corrosion where the metal on trace is drawn to a positive current. Over time the metal atoms actually form a bridge to the connection. So if you can find it and get rid of the bridge, you can fix the problem. F2-25 is an always hot lead to the instrument cluster. If I had a diagram of the instrument cluster, I could probably find it. Of course, it could also be under a switch on the board, making it difficult to find. [/QUOTE]
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SportTrac Discussion
Electrical
Instrument cluster energizes when truck is off. Odometer comes alive, as does the message center, radio, and interior lights when truck is off.
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