Question about 2004 Suzuki Aerio
I don't know if there is a relay but the head light switch controls the taillights You can check the auto parts store and see if they have a listing for a taillight relay otherwise You will need an electrical tester or test light. First connect one side of the test light or meter to a good ground.Take the probe of the test light and test the fuse on both sides and make sure it lights. If it is good on both sides try testing for voltage at the tail light sockets With the light switch turned on, If you have voltage at the socket you could be missing the ground to the tail light bulbs.or you could have bad bulbs or corroded sockets.An other possibility if no voltage is at the sockets you could have a defective headlight switch.Beyond that you will need a factory service manual with wiring diagrams or a detailed manual such as Mitchel's or one from Alldata
Posted on Dec 04, 2014
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Posted on Jan 02, 2017
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