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Need Brake Light Circuit Info - Bulb Failure Relay 700 1990

I have no power down the yellow wire to the RH brake light. All other bulbs on the RH side work fine. The ground wire buzzes out good. The LH brake light works fine as do all the other LH lights. I see no damage to the wire bundle in the trunk area. I'm starting to suspect the bulb warning relay itself may be at fault. I don't have a good wiring diagram that identifies all the individual pin numbers on the relay. Does anyone know which relay sockets I would jumper to prove/disprove a bad relay?

Thank you.






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