There is a common connection between all gauges in the dash. It is
called a dash voltage regulator. It is usually located on the circuit
board containing the gauges. Call the parts department at the dealer
and ask if it has one and where it is located. It may be a known
problem with the vehicle.
Greg Perry
Vink, Graham wrote:
>This question actually applies to my 1989 Isuzu Trooper but a) it's an
>interesting electrical glitch that would be worthy of a British car and b)
>it's not about roller rockers.
>
>So ... when the temperature is cold outside, both my fuel and temp gauges
>stop working (which would indicate they have a common electrical feed.)
>Power on both sides of the fuse is OK.
>
>When the truck has warmed up after 10 minutes of driving, both gauges start
>to work. This would appear to be a temperature-related connection problem,
>but any ideas on where to start tracking it? As everybody knows, taking
>apart the dash in modern cars is a pain in the butt.
>
>Thanks.
>
>Graham
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