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No engine power when headlights on!

Originally Posted by BGTV8 With the headlights on, I reckon that the ECU "saw" power in the brake light circuit as it is bridged to tail light circuit and the

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Old 08-21-2012, 05:17 PM   #16 (permalink)
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Originally Posted by BGTV8 View Post
With the headlights on, I reckon that the ECU "saw" power in the brake light circuit as it is bridged to tail light circuit and the ECU interprested this circumstance as "the brakes are being applied" - the ECU won't permit mnre than nominal sustained throttle opening when it thinks the brakes are applied ... it will let you "blip" the throttle ina heel/toe maneuvre but will not supply sustained throttle opening when it believes you have applied the brakes.


Pulling the brake light fuse or disconnecting the brake lights (or in the OP's case fog light) disables the circuit.
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Old 08-21-2012, 08:20 PM   #17 (permalink)
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Pulling the brake light fuse or disconnecting the brake lights (or in the OP's case fog light) disables the circuit.
Agreed ... but wold be a problem on the highway I suspect.
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Old 08-21-2012, 08:36 PM   #18 (permalink)
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Agreed ... but wold be a problem on the highway I suspect.
Yeah, would only do as a test, not a permanent solution
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Old 08-22-2012, 10:37 AM   #19 (permalink)
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Yeah, would only do as a test, not a permanent solution
I actually had to turn the lights off in areas to get up to speed when this happened. I was mentally running through alternative excuses in my head when I was doing it because I didn't think a cop was going to fall for the ole "my rear fog light is causing my engine to not have any power" story.
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Old 08-22-2012, 08:23 PM   #20 (permalink)
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is this the oem or evo-r?
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Old 08-22-2012, 08:40 PM   #21 (permalink)
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OEM retrofitted with a 7443 socket and dual element 7443 bulb.
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