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Where to pick up 12v in engine compartment with ign on/start?

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Old Jan 4, 2014 | 03:49 PM
  #1  
53jimc's Avatar
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Where to pick up 12v in engine compartment with ign on/start?

Hi Everyone,

I've read through all the "parasitic drain" posts, there are a lot of them.
I have one, can't really pin it down. So, am going to install a relay.
I'd like to run it off the ignition switch, but I'm trying to find a power source in the engine compartment that's hot with ignition in both on and start.

I looked at the wiring diagram, it shows the green/yellow to the alarm relay is supposed to be hot in ignition on/start, but it doesn't read that way with a multimeter.

Any ideas?

Thanks for any help.

Jim
Old Jan 4, 2014 | 05:47 PM
  #2  
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From: Bronx, NY
Fix the drain the correct way, and cigarette lighter has power in ACC and ON positions usually rated at 12v 1A
Old Jan 4, 2014 | 06:17 PM
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53jimc's Avatar
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Originally Posted by DjHackStyle
Fix the drain the correct way, and cigarette lighter has power in ACC and ON positions usually rated at 12v 1A
Yeah, I want to do that, for sure.

I pulled all the fuses, couldn't find the drain. I just need a stop gap till I can get back in town and do it right. Leaving Tuesday for international travel, not my choice.
Car has 225+ miles on it so I'm fortunate for it to be running as good as it does.

I need something under the hood to connect the relay to so it's closed when starting and running.

So, will at least keep hunting under the hood. Thought one of you gurus would know of an easy place. Didn't really want to try to go through the firewall.

I do appreciate your response. It is much appreciated.

Jim
Old Jan 4, 2014 | 06:55 PM
  #4  
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From: Fort Worth, TX
W/R wire on the alternator is switched.
Old Jan 4, 2014 | 07:33 PM
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From: Vancouver, BC
what kind of amperage drain are you getting?
Old Jan 4, 2014 | 07:43 PM
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how much drain are you getting?
Old Jan 5, 2014 | 12:09 PM
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What the amp draw between your disconnected negative terminal and the negative battery post?
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