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do they require other lights to be on? (like parkers or something because i;ve seen that in a car i had before)

otherwise it must be something in the control or wiring. do all the other controls on your stalk work fine? like low and high beam etc etc?

pull out a globe, turn on the fog lights and measure the voltage at the socket without the globes. if there is no voltage at all then have a closer look at the control stalk. if there is voltage but when you plug the globe in it doesn't light up then something has gone high impedance (ie a switch or contact somewhere has a build up of carbon and is really high resistance) i made a write up of how to fix that for the 180sx/ silvias because it was a common problem with high beam (write up is here)

hope this points you in the right direction.

do they require other lights to be on? (like parkers or something because i;ve seen that in a car i had before)

otherwise it must be something in the control or wiring. do all the other controls on your stalk work fine? like low and high beam etc etc?

pull out a globe, turn on the fog lights and measure the voltage at the socket without the globes. if there is no voltage at all then have a closer look at the control stalk. if there is voltage but when you plug the globe in it doesn't light up then something has gone high impedance (ie a switch or contact somewhere has a build up of carbon and is really high resistance) i made a write up of how to fix that for the 180sx/ silvias because it was a common problem with high beam (write up is here)

hope this points you in the right direction.

Thanks for the reply. prob fix. bad connection on eath side of the relay.

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