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Jun 12, 2002 | 07:25 PM

Ride4ME

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Joined: Nov 2001

Posts: 224

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From: Los Angeles, California

Fan question

Is our fan powered by a switch or the ecm? Cause my fan motor burned on the inside and since replacing it, it still doesn't work.

thanx in advance,
R.

Jun 14, 2002 | 01:42 PM

r90camarors

Supreme Member

Joined: Dec 2001

Posts: 1,418

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From: Morris, IL

Car: '91 t-top RS; '91 hrdtp Z28

Engine: LO3;383tpi

Transmission: 700r4;very nice 700r4

Axle/Gears: 4.10 zt posi, 3.70 auburn

I'm pretty sure all tbi's are controlled by a switch. Mine's a '90 and is controlled by a switch. An easy way to make sure is to call Summit and ask if a new switch is recommened if you purchase the hypertech thermomaster chip.

Jun 14, 2002 | 11:26 PM

brodyscamaro

Supreme Member

Joined: Mar 2001

Posts: 5,144

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From: CC, TX

Car: 1999 Yamaha Banshee

Engine: 379cc twin cyl 2-stroke stroker

Transmission: 6 spd manual

Axle/Gears: 14/41 tooth

yes it is controlled by the switch in the passenger side head

Jun 15, 2002 | 02:43 AM

JPrevost

Senior Member

Joined: Oct 1999

Posts: 6,621

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Car: 91 Red Sled

Axle/Gears: 10bolt Richmond 3.73 Torsen

Quote:

Originally posted by brodyscamaro
yes it is controlled by the switch in the passenger side head

Yeah, stock it's a switch in the head...but hopefully I'll be changing that. cough...source code....cough.

Jun 20, 2002 | 04:44 PM

Ride4ME

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Joined: Nov 2001

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From: Los Angeles, California

How so I change it?
Just remove the valve covers or do I have to remove the head?

Jun 20, 2002 | 11:41 PM

Desert86Roc

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Joined: Jul 1999

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FYI, the fan relay usually dies before the snap switch. So if replacing it doesnt help...get a new fan relay. Also, if your old fan motor drew enough amps when it burned up, you could have fried the fusible link at the battery.

Jun 21, 2002 | 05:48 PM

Ride4ME

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Joined: Nov 2001

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From: Los Angeles, California

well guys...
I drained my coolant in order to change my thermostat notcing
that I never even had one in there... and I refilled the system with
coolant and guess what??...
MY FAN WAS WORKING!!!!
But guess what else?....
I shut if off and tried to restart it then it DIDN'T WORK AT ALL!!!

What's the deal??