LT1-LT4 Modifications 1993-97 Gen II Small Block V8

manual fan switch = only 1 fan runs?

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Old 08-06-2007, 03:15 PM
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Default manual fan switch = only 1 fan runs?

OK, i wired my fans according to the shbox.com diagram and on low speed both fans run but on high speed only the passengers side fan runs and the other fan shuts off. Any ideas?
Old 08-06-2007, 05:33 PM
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Originally Posted by Chris18927
OK, i wired my fans according to the shbox.com diagram and on low speed both fans run but on high speed only the passengers side fan runs and the other fan shuts off. Any ideas?

I am interested to! I just did mine and it is the same way on low speed both fans on high only the passenger side fan comes on. Weird.


Derek
Old 08-06-2007, 06:42 PM
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Are you sure you have followed the wiring on the switch correctly, on high both sides of the switch are grounded.
Otherwise I would guess the 3rd relay is shot.

Sara Lou




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