12v trigger wire in the trunk? - BMW M5 Forum and M6 Forums
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post #1 of 10 Old 15th April 2018, 10:59 PM Thread Starter
MalibuMafiaV
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12v trigger wire in the trunk?

I'm installing an amp for an aftermarket sub.
I need to know where a 12v trigger wire is in the trunk. Since the trigger wire for the logic7 system is the fiber optic cable... and well you can't use that lol.
I've got everything else wired up but this...

Help would be GREATLY appreciated.

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post #2 of 10 Old 16th April 2018, 01:55 AM
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post #3 of 10 Old 16th April 2018, 02:02 AM Thread Starter
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Quote:
Originally Posted by AR424 View Post
Perfect!
Thank you. Is there install instructions included to where the trigger harness goes as well?

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post #4 of 10 Old 16th April 2018, 06:56 AM
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post #5 of 10 Old 16th April 2018, 01:37 PM
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Check the fuse box on the right hand side. One of those fuses can be taped for trigger/power when the car is on only. (top row fuses)

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post #6 of 10 Old 16th April 2018, 03:12 PM
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post #7 of 10 Old 18th April 2018, 10:25 PM Thread Starter
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Is there a certain one you recommend on using? or any of the top row of fuses wires is fine?
Quote:
Originally Posted by cold m3 View Post
Check the fuse box on the right hand side. One of those fuses can be taped for trigger/power when the car is on only. (top row fuses)

This would be an option if I was going to use a trigger wire in the cabin. But I need one in the trunk only.
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Originally Posted by Skills View Post
Since I never used the CD changer, I used the it's fuse for my QTP cutouts.

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post #8 of 10 Old 18th April 2018, 11:47 PM
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post #9 of 10 Old 18th April 2018, 11:56 PM Thread Starter
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Thank you!

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Originally Posted by BadSeed View Post
I used #88 in the trunk for my exhaust valve. #87 or #88 should work for you.

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post #10 of 10 Old 19th April 2018, 08:24 PM
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just tap into your trunk cigarette lighter wire, that way your amp wont be on unless you have the ignition on and wont kill your battery
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