Yeah, think ill put the globes back in. Or buy some new globes

Just did another test with the multi-reader. This time with car running it was reading 13.6v, with the aircon on and high beam the voltage went to 12.4. I then turned the aircon and high beams off and the voltage stayed at 13.0v

Is that too low? Or is that normal?

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WRX MY05
215HP - 16 PSI
Ultrex TBE
Cobb Air Intake
STI Intercooler