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Picture of the thermostat housing

does anyone have a picture of the thermostat housing w/ the sensors, that indicates which sensor is which???
I cant find my manuals
thank you
 

atc250r

Staff member
Joined
Sep 11, 2003
Messages
13,235
Location
Orange County, NY
I don't have a pic but:

top = A/C cut out

facing radiator w/2 pins = ECU input

facing radiator w/1 pin = temp gauge

facing firewall = emergency fan switch

I know you're having problems with getting yours running. When I first built my GVR4 I had the front and rear 1 wire connectors mixed up and the car wouldn't start.

John
 

a few broke and i repair w/ spade connectoer, so i hope i did just that, confused them.
thanks, If my car is up and running, I'll see you @ OCSW, it is like 5mins from my sister and i haven't been home since 7/4
 

brisvr4

Well-known member
Joined
Feb 13, 2004
Messages
955
Location
brisbane australia
Here is the drawing to add to John's Description.

 

atc250r

Staff member
Joined
Sep 11, 2003
Messages
13,235
Location
Orange County, NY
Cool. It sounds like you might need the wiring diagram to really fix this the right way. Do you have a datalogger? If you do you can look at what the ECU is seeing the ECT (engine coolant temp) as to eliminate some of the possible problems. If its like 50*F outside and the ECU is saying the coolant temp is -20*F then you KNOW you've got something wired wrong.

John
 

no logger, so after i check the wiring diagram (Chlton's manual) and make sure I didn't switch the 2 you stated earlier, i'll pull it out, place in water and check w/ a DMM (i found the resistance values for specific temps). I'm just hoping it doesn't rain as hard as they are predicting tomorrow
 
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