where is the ACC wire or the wire code for 03 A4

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chris

I know on my '99, from what i can recall correctly, it was either the red or yellow wire. I'm sure your harness isdifferent, but i would start with those two first (if you can find them). My gut is telling me it was the red one.

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Supercharged MCMXCIX Casa 2.8qt
PES G1 S/C, GIAC Tip-Chip, Magnaflow Exhaust, Koni Coilovers, 18" BBS LM Reps, APR Snub

i know it is the red one on the harness, but there is no red wire coming from the car

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chris

Get yourself a Digital Multi-Meter (DMM) and start testing (searching) for the switched +12VDC wire...

it is easyest to "tag" a acc from the igition harness since it is right there get a muti meter and test wires you want the one that has no power when key is off power on first click no power during start up and power after start up just be sure to install a 10amp fuse so you don't burn anything up

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01 Audi A4 Quattro, Mystery chip, Abd intake, Bilsten sports, H&R springs, Neuspeed front and rear sways and exhaust, Atp test pipe, JHM linkage, complete rs4 body kit, 18" Falkens, Nitto invo tires, Forge 007 and unos Mbc, 034 street trans mounts.

there was on wire i found with no power when key off, key on, 11.58v.while hooked up with HU, there only 0.3v, without hooking up, 11.58v, wrong wire

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chris

yep wrong wire also check the fuse box for blown fuses

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01 Audi A4 Quattro, Mystery chip, Abd intake, Bilsten sports, H&R springs, Neuspeed front and rear sways and exhaust, Atp test pipe, JHM linkage, complete rs4 body kit, 18" Falkens, Nitto invo tires, Forge 007 and unos Mbc, 034 street trans mounts.

do they have to be more then 12v

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chris

it should read anywhere from 11.0-12.5 (without car running) with car running 12.6-14.6

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01 Audi A4 Quattro, Mystery chip, Abd intake, Bilsten sports, H&R springs, Neuspeed front and rear sways and exhaust, Atp test pipe, JHM linkage, complete rs4 body kit, 18" Falkens, Nitto invo tires, Forge 007 and unos Mbc, 034 street trans mounts.