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If the fuse that controls the PCM relay for the fuel heater on a 1999 diesel keeps burning out, perhaps there is a short somewhere in the wiring. There is also a possibility that the ground wire for the fuel heater is no longer attached to the frame.
Under the dash between the console and the heater controls.
It is located behind the dash to the left of the radio/heater controls.
In the power distribution box under the hood. There is also a relay there that controls the fan. and last but not least, there is a resistor that controls all fan speeds.
what sensor controls the fuel relay
no "reset switch" on these cars the powertrain control module controls the fuelpump via a relay
My problem is that when I shut off van my lights come on and window wipers also... no radio, heater is always on high... which relay switch controls all these?
Where is instrument panel dash relay on my 1989 cadillac 4.5L
The relay for the heated rear screen on a Golf MK4 should be just below the heater controls on the dash. Look for a button that says rear defrost or something to that effect.
It is located under the center console under the heater controls. Its a small metal box with a 8 wire plug.
trying to find fuel pump relay on my 1994 cadillac deville
Where is the heater relay switch on a 2005 MalibuRead more: Where_is_the_heater_relay_switc