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Old 01-01-2009, 06:06 PM
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msd draining my battery

hello i have had my msd for about 6 months it works great but latly my battery has been going dead all the time today i found out that it was the msd it is always drawing 10.4 volts even with the key off with the keyed switch disconected if i disconect the positive wire from the batter to the msd the short on the system slowly gose down to 0 volts dose it all the time over night it will kill the battery by its self any body have this problem and any body know how o fix it or do i need to get a new one or get warrenty if this is bad
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Old 01-01-2009, 07:58 PM
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Wired and frazzled?

Let me get this straight, you wired the unit up by running a wire directly from the battery to the MSD box?

If this is the case, you need to disconnect the wire at the battery and run it over to a wire that only has 12v when the key is turned on. That will solve your problem.

Steve
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Old 01-01-2009, 10:04 PM
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ya one wire is soposed to go directly to the battery and one is soposed to go to a keyed power to work like a relay think maby sompthing is wrong with the msd
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Old 01-02-2009, 08:07 AM
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Quote:
Originally Posted by hooey6
ya one wire is soposed to go directly to the battery and one is soposed to go to a keyed power to work like a relay think maby sompthing is wrong with the msd
Sounds like you got it wired correctly, but it's pulling power anyhow. Odd. Have you checked MSD's website for people with problems like your's? You did run your ground wire straight from MSD to the battery also, correct?
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Old 01-02-2009, 09:49 PM
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Switched?

Quote:
Originally Posted by hooey6
ya one wire is soposed to go directly to the battery and one is soposed to go to a keyed power to work like a relay think maby sompthing is wrong with the msd
Ok, didn't realize they a switched AND a non-switched power wire for that thing. Any chance you got them mixed up when you wired it up?
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Old 01-02-2009, 10:07 PM
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Diconnect the tach if you have one. I've seen those do it as well.
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Old 01-02-2009, 11:05 PM
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ya its wired in right and i do not have a rpm guage my buddy is a machanic and i will ask him later his shop actualy sold it to me so maby it is a warrenty problem thanks for every bodys help i will let all know what the problem is when it is found
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