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427 SO Timing/cooling fans 427 SO Timing/cooling fans
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Old 07-24-2008, 07:35 AM
Jerry Clayton's Avatar
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Location: Bartlett, Ill
Cobra Make, Engine: Everett-Morrison LS1
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I have seen a few cars that had the power for the fans wired thru the ignition switch--when the fans came on they and everything else suffered from low current. My method of solving these issues

NO reduced or underdrive pulleys----
Wire directly from alternator to relay for fans, use temp sender to ground the relay for operation, only run current to switch the relay thru ign. switch--this eliminates extra wire length amps the ign sw must carry and supplys the power for the fans direct when engine is running

A COMMON source of electric problems in vehicles and boats---bad grounds, remote battery locations, underdrive pulleys
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