Fan & Gauge Sudden Fail (1 Viewer)

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Goldbug

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Apr 14, 2020
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My blower fan (interior, not the radiator fan) decided to stop working about a week ago. At the same time, 3 of 4 gauges stopped working, with only battery gauge still working. The fuses all look normal. Any suggestions on where to start?

1978 FJ40
 
Blown fuse. 15A heater fuse.
 
Fuse block. Pull the fuse out and make sure it has continuity.
 
Did this solve your problem?
 
I swapped the fuse and it kept happening, intermittently. Started tracing the wiring with @vfrer and discovered an exposed wire under the hood near the brake booster. Cleaned that up, popped in a new new fuse and the air and gauges work like a charm now.
 

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