why is my van overheating? on 1998 Chevrolet Venture

the fans dont come on unless i turn on the heater. i changed the coolant temperature sensor but that didnt seem to work. i have checked all the fuses.

by in Iola, KS on May 23, 2012
1 answer 3 comments
ANSWER by on May 23, 2012
coolant temp sensor poss is the computer sensor. you need to test the raditor fan sensor and relay these are 2 diff sensors
COMMENT by on May 23, 2012
ok how do I test these?
COMMENT by on May 23, 2012
YOU NEED VOLT METER AND RELAY TESTER. BOTH ARE CHEAP PARTS YOU MAY JUST WANT TO REPL AND SEE WHAT HAPPENS
COMMENT by on May 23, 2012
ok i will have to try and get those things first.
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