Frustrated - help :-) Power cable routing - MINI Cooper Forum

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post #1 of 5 (permalink) Old May 28th, 2019, 07:44 PM Thread Starter
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Frustrated - help :-) Power cable routing

Hi all, so frustrating.

I'm just finishing the installation of a Pioneer DAB/FM/CD/Aux head unit that included replacing the original antenna with a DAB antenna. I also had the roof lining removed for another project, so the antenna replacement was easy.

I've run a switched +12v to turn on a sub amp, and a pair of RCA's from the back of the head unit.

BUT, damned if I can find a way to route a power cable from the battery (via a fuse), through the firewall and back to the hatch area for the subwoofer.

Any help getting a cable from the battery in the engine compartment to the hatch area would be MUCH APPRECIATED

Ta in advance.............ebt

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post #2 of 5 (permalink) Old May 28th, 2019, 07:58 PM
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Hi all, so frustrating.

I'm just finishing the installation of a Pioneer DAB/FM/CD/Aux head unit that included replacing the original antenna with a DAB antenna. I also had the roof lining removed for another project, so the antenna replacement was easy.

I've run a switched +12v to turn on a sub amp, and a pair of RCA's from the back of the head unit.

BUT, damned if I can find a way to route a power cable from the battery (via a fuse), through the firewall and back to the hatch area for the subwoofer.

Any help getting a cable from the battery in the engine compartment to the hatch area would be MUCH APPRECIATED

Ta in advance.............ebt
i would run a power off fag lighter live as its something that never gets used and is fused and runs from the body control module so should not effect it from going to sleep and causing flat battery.. and also when car is off its off. another live could be where the factory tow electrics picks up its power prob behind the boot plastics somewhere,

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post #3 of 5 (permalink) Old Jun 12th, 2019, 09:21 AM Thread Starter
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i would run a power off fag lighter live as its something that never gets used and is fused and runs from the body control module so should not effect it from going to sleep and causing flat battery.. and also when car is off its off. another live could be where the factory tow electrics picks up its power prob behind the boot plastics somewhere,
Yep, did this in the end. Cigarette lighter is quite a heavy duty circuit and is fused. I'm only using a small amp and it's working fine. Thanks..............ebt
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post #4 of 5 (permalink) Old Jun 12th, 2019, 10:06 AM
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Yep, did this in the end. Cigarette lighter is quite a heavy duty circuit and is fused. I'm only using a small amp and it's working fine. Thanks..............ebt
what you can do is run a suitable size fuse from the fag lighter circuit positive side to your add on then it protects your item better , just find out your add on's amps drawn rating ie fuse size

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post #5 of 5 (permalink) Old Jun 12th, 2019, 11:17 AM Thread Starter
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what you can do is run a suitable size fuse from the fag lighter circuit positive side to your add on then it protects your item better, just find out your add on's amps drawn rating ie fuse size
Done when installing !
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