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Old 11-25-2017, 01:51 AM
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Quote:
Originally Posted by Crowz View Post
On a bmw you need to be very careful when hunting for a 12 volt source. Just testing wires with a volt meter is a big no no.

Lots of wires will show as having 12v positive on them with no load but like you summarized they can be data wires for the different bus configurations and other purposes. Always find a diagram for any connector your going to get power from and figure out what that wire is really for before tapping into it.
Will do, likely as mentioned below, the connection was to an optioned accessory I didn't order.
Quote:
Originally Posted by crystalworks View Post
No biggie. I was asking which OEM device that harness went to. Something your truck wasn't optioned with apparently. Could be a bunch of stuff in that area, CD changer, DSP amp, bluetooth com module, sirius sat module, NAV DVD, etc. Was just curious as the car does weird things with power cycling some of those devices. I feel like the nav unit in my truck activates all the time at just opening a door sometimes. I guess they do it to pre-load maps or something.
Yeah I'm sure that is a plausible conclusion. I'm just happy i got the whole setup working! The nav prob is activating, the car goes to sleep after a certain time and the door wakes the car via canbus i believe, happens with the indicator on the shifter too!
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