Do not trigger the motor wires: they rest on ground, and one (or the other) pulses positive when activated...so if you put +12V to one, it would pop the fuse on either the unit or the lock system, or just fry the unit.
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Closing SOON!"LAST CHANCE FOR G.A.S." DEAL IS ON NOW
Luke AT germanaudiospecialties DOT com or text 425-761-6450, or for quickest answers, call me at the shop 360-669-0398
Thanks for 10 years of fun! -
DAMMIT, mine just crapped out. :sad:
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Generally, the BMW lock system uses about 1.2A to run the relays. Most alarms will make about 500mA, or .5A...so they will sometimes run the locks for a while, but eventually crap out.Originally posted by One21Two View Post
Using 2 relays to do the lock/unlock function will generally solve the longevity issue, as relays generally operate just fine on 300mA, so the alarm is not being stressed.
I would love to know why the BMW relays need so much power, but I just deal with it.
Closing SOON!"LAST CHANCE FOR G.A.S." DEAL IS ON NOW
Luke AT germanaudiospecialties DOT com or text 425-761-6450, or for quickest answers, call me at the shop 360-669-0398
Thanks for 10 years of fun!Comment
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Hmm. I had better add some relays then!
I still want to know whose bright idea it was to have that stupid door handle switch for the domelight timer. Most e30 owners (until george graves came along anyway) didn't know they even had that feature because it usually has long since died.-Dave
2003 Lincoln Towncar | 1992 BMW 325iC | 1968 Cadillac Deville
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