chauncey0337
Full Access Member
Do you have a relay harness. I think it's flickering and not firing both bulbs because both ballasts are not getting the required voltage.
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ive got them wired with a relay, 30amp i think from a ford. the power wire to and from relay is 14awg and the lights are grounded where the wire comes off battery to the fender. the passenger one always ignites always drivers when i flip switch.