Burned speedometer 940

Old Jul 26, 2019 | 09:59 PM
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Default Burned speedometer 940

Hello, I was just on a trip and during the long drive I looked down to see the speedometer was sitting at zero. Shortly there afterwards, the smell of burned electronics filled the cabin. When I got home I took apart the instrument cluster and resistor 2 (15 ohms) has burned. Here's the thing though, last year the same thing happened. I went to a junk yard and picked up an instrument cluster and swapped it and it was fine until now, so this is the second time this has happened. I've read that 91-92 model years had issues with leaky capacitors but mine are fine, it's just resistor 2 that has burned out.

Here is a picture of the board, I have removed the burned resistor.



I guess I need to repair it or find another one now. I did swap a 15 ohm resistor back on to the board but it still doesn't work so I don't know if it also blew out the ICs or other components as well..

Please help!
 
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