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Old 04-21-2011, 03:41 AM   #1
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Default Battery Isolator Q: 'True Ignition Source?'

This is for installing a second battery with a Stinger battery isolator. I have everything ready to install. The Stinger instructions call for connecting one of the connections to a 'true ignition source'. I don't really know where to connect this lead. The other three are obvious.

Any help here?
Pics/diagrams?

(04' Lariat SCREW)
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Old 04-21-2011, 03:42 AM   #2
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its easy, get rid of the resistor...it is not needed and will most likely hurt your voltage and charging of the rear battery
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Old 04-21-2011, 04:15 PM   #3
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It's a relay, an not a resistor, correct?

Besides, my goals are not for car audio,per se but for pure battery protection of my charging battery. I am using this for deep-desert camping, with possibly days that I don't run the truck enough to re-charge a primary battery. Beside some very limited stereo use, this is also for lights, some camping gear, some low voltage electronics, etc.

Doe this make more sense?
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Old 04-21-2011, 04:22 PM   #4
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alot of stereo shops tell you that you need a isolater, the only situation where a isolater would be helpful is if you had your stereo going for a long time off your 2nd batter, its main use is to drain the rear battery (your 2nd batter) first and leave as much of a charge in your front battery for starting the vehicle and stuff...so it sounds like it would work for what you need...however depending on the battery you get be careful...going from a charge to so low it wont even start a vehicle will kill your battery quickly
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Old 04-21-2011, 04:30 PM   #5
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That's what I was trying to say in the first place. Besides, this thread isn't a debate on isolator use, it's about isolator installation, regardless of my intentions...but thanks for chiming in!
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Old 04-22-2011, 04:57 PM   #6
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Try this:
http://www.explorerforum.com/forums/...d.php?t=162329
Quote:
...got it!

I just tapped the ignition coil line.

It is Red/Green Stripe, and the line is just a few inches long, as my relay is right there....

Thanks for the help...

Ryan
Granted, it's for an Exploder but it might have the same wiring.
I'm also on a quest for this wire for my Avic Z120BT head unit. When I turn over the engine, it drops bluetooth pairing during the reboot and interrupts audio playback which gets my man-panties all in a bunch.
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Old 04-23-2011, 12:12 AM   #7
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For ignition you could tap any fuse that switches with ignition or go straight to the ignition harness
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Old 04-23-2011, 12:43 PM   #8
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Quote:
Originally Posted by doainwpg View Post
For ignition you could tap any fuse that switches with ignition or go straight to the ignition harness
The trick here is to find "true ignition" which won't get switched off when the key is moved all the way to the start position.
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Old 04-23-2011, 04:29 PM   #9
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go to the ecu ignition power on or directly to the keyswitch

use the isolator there are several reasons to use one!
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Old 04-24-2011, 03:31 AM   #10
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This may be of some use:

Click the image to open in full size.
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Old 04-24-2011, 03:31 AM
 
 
 
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