Compression Ignition Addict
Join Date: Feb 2009
Location: Mercer County WV
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Okay, you want to make the board where every other row is on with the park function and they all light up when you hit the brakes?
PARK LIGHTS: (on) (off) (on) (off) (on) (off)
BRAKE LIGHTS: (on) (on) (on) (on) (on) (on)
The voltage the truck makes, should not vary, it should be a fairly consistant voltage to the park light circuit and the brake light circuit. I have never checked the voltage of the park light vs brake light side at the bulb as I assumed it was 12VDC at all times, with the varying brightness due to the dual filament bulb in a brake light on these trucks. If you could, take a volt meter and tell me what the voltage is from park light positive to ground and brake light positive to ground. That info will help me with the next step...
Sorry it took me so long to reply, been tied up spending time with my daughter.
2009 Subaru WRX Premium
Type RS BOV
Had to park it with some real diesel muscle....