How many relays does the heater system have, i changed one relay under the dash behind the glove compartment and still doesn't work, the 30amp fuse is ok in the same place where the relay is but is there another fuse or a relay? when i put the jumper wire instead of the relay, everything works. someone help me where to look.

 

fixed my heater, there is another fuse 10 amp for ABS wich is also for heater and rear wiper, it was blown.

 

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