1997 cooling fan problems

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Jul 6, 2008 | 09:43 PM

dmc_12

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Newbie

Joined: Jul 2008

Posts: 1

1997 cooling fan problems

relays checked, block sensor changed, thermostat sensor changed, jump voltage directly to the fans they run. what am i missing?

Jul 7, 2008 | 12:59 AM

t9ojetpilot

2nd Gear member

Joined: Feb 2007

Posts: 518

RE: 1997 cooling fan problems

what makes you think they dont work, they are designed to come on in the 215 -220 range kurt

Jul 8, 2008 | 05:11 AM

knoxville

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Joined: Jul 2008

Posts: 2

RE: 1997 cooling fan problems

It typically has four terminals, two of which are current feeds from a fused source of 12-volt electricity. At the relay, there is one current feed into an electromagnetic coil, and one feed into a set of contacts for the switch, which is open. The other terminal for that open switch is connected to the electric motor for the fan. The fourth terminal, also for the coil, is wired to the PCM, which may look at various signals to determine whether or not to provide an electrical ground for that coil.

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