Battery Drain, Anyone measured the amp draw? |
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Battery Drain, Anyone measured the amp draw? |
Kerrys914 |
Jul 31 2004, 12:06 PM
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#1
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Dear, the parts I just sold paid for that part ;) Group: Members Posts: 1,568 Joined: 26-December 02 From: Williamsburg, VA Member No.: 16 |
I have a slow battery drain on my '74. Has anyone measured the amp draw on their teener? I am wondering if a stock FI car would/should have any amp draw?
I have a new battery and it seems to be going dead on me, 3-4 days of no use. My dam craftsman multimeter is junk.. (IMG:style_emoticons/default/headbang.gif) I set it to read amps and the dam thing keeps climing till it maxes out. I can't measure a thing with it. I am going to buy a new one tonight and try to find the drain with it. Should I expect 0.0 for a reading? One of the 4 red wires, which connects to the + , gets a nice spark when I reconnect it to the terminal. That tells me I have a nice draw on that circuit, correct? Thanks Kerry Tyring to get ready for my first big road trip...8/8/04 (IMG:style_emoticons/default/beer.gif) |
bperry |
Aug 1 2004, 04:19 PM
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#2
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Lurker Group: Members Posts: 477 Joined: 16-February 04 From: Dallas, Tx Member No.: 1,661 |
Ok, so curiosity got the best of me and I decided to actually
take some measurements. Pulled my clock out of its storage box (I replaced it with a CHT in the console many years ago). On the bench, I set my variable powersupply to 13volts and measured the current draw of the clock with my analog VOM. The current draw of the clock in this controlled environment was 14.5ma I remembered from years ago thinking that the VDO console clock was a power pig. It is purely mecanical driven by a motor so I guess it is probably not that bad of draw considering what's inside. BTW, several aftermarket car alarms that I've measured actually draw more than this at around 15-20ma. So, if you have the console with the VDO clock, I'd bet on the clock drawing your 15ma. --- bill |
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