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Old 03-26-2019, 12:44 PM
Attacking Mid Attacking Mid is offline
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Using this guide below stolen from another thread, I did confirm that the white wire which tells the amp to turn on has power at the amp plug. Several other wires also have power at the amp, but that plug design makes it difficult to decipher which wire goes to which plug location. I had to pierce the white wire to confirm, as I can't see which plug it goes to in the connector.

I don't know if all this makes it seem more likely that the amp is bad? I hate to just roll the dice and buy another amp - guessing that's the problem.

Contributed by: UCrewX5

X5 Radio Module and Amp Information

2002 and newer Radio Module - w/Nav

Pin No. / Wire Color / Function
Large Black Plug x18126

1 / Blue-Black / Right Rear + output to amp (twisted with 5)
2 / Blue-Red / Right Front + output to amp (twisted with 6)
3 / Yellow-Red / Left Front + output to amp (twisted with 7)
4 / Yellow-Black / Left Rear + output to amp (twisted with 8)
5 / Blue-Black / Right Rear + output to amp (twisted with 1)
6 / Blue-Red / Right Front + output to amp (twisted with 2)
7 / Yellow-Red / Left Front + output to amp (twisted with 3)
8 / Yellow-Black / Left Rear + output to amp (twisted with 4)
9 / White-Yellow bands / I-bus?
10 / White-Brown / Mute from phone?
11 / White-Green / ?
12 / Brown / Ground
13 / White / Remote on-off to amp
14 / Grey-Red / Dash illumination (dimmer)
15 / Red-Green / +12v from battery (not switched)
16 / Violet-White / +12v from ignition (ACC and RUN)

small white plug x13598
Pin No. / Wire Color / Function
1 / / No function
2 / White-Brown / Audio common from 6CD player
3-7 / / No connection
8 / White-Red / Audio Left Channel from 6CD player
9 / White-Blue / Audio Right Channel from 6CD player
10 / / No Connection
11 / NAV / TV Audio +
12 / NAV / TV Audio -

NEW Small black plug: x13649 plug
Pin No. / Wire Color / Function
1 / Tape left +
2 / Tape left -
3 / Left Connection for AUX Input
4 / Right Connection for AUX Input
5 / NAV / TV Audio +
6 / White-Black / Phone audio + Positive
7 / Tape right +
8 / Tape right -
9 / No connection
10 / AUX Input Ground
11 / NAV / TV Audio +
12 / Brown-Black / Phone Audio - Groundv

AM.
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