What is the first thing to check when the air conditioner suddenly stops working on 2003 Toyota Tacoma

Dealer says replace the relay first. How do I check that the relay is working without having to pay for that expensive 'non-returnable electric component'?

by in Vanceboro, ME on July 07, 2013
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1 answer 2 comments
ANSWER by , July 07, 2013
alot of relays are generic just plug that relay in a slot with an identical one and if that component dies youve got a bad relay
COMMENT by , July 08, 2013
Where is he relay? Is it the 50 Amp square 'fuse' in the engine compartment box?
COMMENT by , July 08, 2013
yes that sounds about right their may even be a wiring diagram on the side