TE Cheah > wrote in
:

> Does any1 here know where this controller ( which activates a relay )
> is ? My '90 accord's controller is supposed to activate only when
> coolant is 90 degree C hot ( per specification ), but activates as
> soon as engine is started, even when thermistor is still cool ( ~580
> ohms : far >88 ohms @ 90 degree C ).
>


On a vehicle this old, the switch is in the bottom tank of the radiator.

It's probably shorted internally.

--
Tegger