Quote:
Originally Posted by Phillytwotank
Switch would be failed open. Pulling those two wires makes the fan come on.
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On my '87 wagon, I have to short across the temperature sensor I described in order to make the aux fan run. The switch would have to fail closed.
Looks like on later cars, your method should work. Any break in the circuit between the sensor and the PBU would cause the aux fan to run.
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Respectfully,
/s/
M. Dillon
'87 124.193 (300TD) "White Whale", ~392k miles, 3.5l IP fitted
'95 124.131 (E300) "Sapphire", 380k miles
'73 Balboa 20 "Sanctification"
Charleston SC
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