Possible electrical problem

1997 TOYOTA CAMRY
190,000 MILES • 2.2L • 4 CYL • 2WD • AUTOMATIC
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LISA HEAVNER LOWE
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  • 1 POST
My headlights and taillights are not working. The high beams only work when the headlight switch is pulled toward the driver. We have replaced the headlight relay, the fuses, and the headlight switch. Still no headlights or taillights.
Jan 4, 2018 at 4:25 PM
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CARADIODOC
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There are two things to look at when the head lights and the tail lights do not work, but your observation of the flash-to-pass circuit working proves one of those is okay. That is the ground wire for the head light switch. That leaves the "integration" relay. Go to the combination switch connector and look for the green wire and the red/yellow wire. Those should have twelve volts all the time. If that is missing, you will need to figure out where that integration relay is located. It is only shown as an electrical switching circuit inside a computer module or relay box.
Jan 4, 2018 at 5:50 PM