Having problems with your 1999 Jeep Grand Cherokee ?

Electric radiator fan wont turn on . but when fan is jumped with 12 volts fan works

Posted / edited by AnonymousUser on : 21-05-2018

Answers :

Heres a little test start vehicle turn a/c on high in the defrost position your fan should start if so than test hi low fan relay and replace coolant temp sender not sensor in some cases replace both thank u have a good day.
It can be the thermostat,or not enough coolant,or air in the cooling system,or a coolant sensor that is bad,or a cooling fan relay.
Repair Help & Product Troubleshooting for 1999 Jeep Grand Cherokee

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