Auto dimming rearview mirror with compass and temperature install - Page 3 - JeepForum.com

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post #31 of 110 Old 01-21-2013, 04:23 PM
CBinDC
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What line did you guys tap into for the power source? Normally I would tap into the cig lighter but I've been having problems with that, lots of blown fuses. Any other lines for 12v power source?

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post #32 of 110 Old 01-21-2013, 05:29 PM Thread Starter
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I would park the jeep in the sun and wait till mid day or later when its warmest. I then took the heat gun and waved it over the whole windshield until it was warm to the touch. I then heated the area around the tab and then the tab, it popped right off with a thin putty knife.

Not sure how your 89 is. But on my 93, there was a unused single female connector on the fuse box on mine. I used a male spade connector and plugged in there.

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post #33 of 110 Old 01-21-2013, 05:40 PM
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I bought both types of mirrors last Friday and the bigger display one will not fit correctly on my LJ. The way the mount is it will not fit the straight up window. But, the single display has enough adjustment to fit. Oh yeah, Some TJ's and LJ's have the existing wiring needed under the defroster, cowl plastic cover on the dash. There is another write-up on here that addresses it.

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post #34 of 110 Old 01-21-2013, 05:57 PM
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Quote:
Originally Posted by CBinDC View Post
What line did you guys tap into for the power source? Normally I would tap into the cig lighter but I've been having problems with that, lots of blown fuses. Any other lines for 12v power source?
I used the radio hot wire

Do everything with a positive attitude, it won't always work but you'll piss enough people off to make it worthwhile.

the voices aren't real but they sure have good ideas.
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post #35 of 110 Old 01-21-2013, 06:24 PM
uhohthe50
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What line did you guys tap into for the power source? Normally I would tap into the cig lighter but I've been having problems with that, lots of blown fuses. Any other lines for 12v power source?
You should be able to use a multimeter to find a source at the fuse panel that always has power to it.

My 1990 YJ Build Thread: http://www.jeepforum.com/forum/f22/might-well-start-build-thread-now-my-1990-yj-1291174/
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post #36 of 110 Old 01-21-2013, 06:49 PM
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Here is another write-up: http://www.jeepforum.com/forum/f9/co...o-pics-952705/

2005 Unlimited Rubicon, too much junk to list!-sold
2012 JKU Orange Crush
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post #37 of 110 Old 01-21-2013, 06:58 PM
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Quote:
Originally Posted by uhohthe50

You should be able to use a multimeter to find a source at the fuse panel that always has power to it.
Thanks. How do you use a multimeter to check that?
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post #38 of 110 Old 01-21-2013, 07:35 PM
uhohthe50
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Thanks. How do you use a multimeter to check that?
With a multimeter (in DC mode) touch the black wire to a ground (any bare meter on the jeep) and then touch the red wire on one of the open slots on the fuse panel. If you have volts in the slot then you have power. Some of the slots only get power to them with the key on so make sure you have your key off to find a spot that always has power running to it for the mirror.

Or you could find a source using just a test light using the same method. If the light lights up, then there is power in that slot.

I recommend still running an inline fuse somewhere the circuit.

My 1990 YJ Build Thread: http://www.jeepforum.com/forum/f22/might-well-start-build-thread-now-my-1990-yj-1291174/
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post #39 of 110 Old 01-22-2013, 12:13 AM
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Originally Posted by uhohthe50 View Post
...make sure you have your key off to find a spot that always has power running to it for the mirror.
BAD IDEA.

Make sure you power it with a switched source. Otherwise you will have a constant drain on your battery. It's a tiny one, but will drain your battery if you let your Jeep sit for long enough.

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post #40 of 110 Old 01-22-2013, 06:45 AM
uhohthe50
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BAD IDEA.

Make sure you power it with a switched source. Otherwise you will have a constant drain on your battery. It's a tiny one, but will drain your battery if you let your Jeep sit for long enough.
Correction, it sounds like you will want to run it off a switched source as Awesome indicated. I was thinking it would need constant power to stay calibrated, but it sounds like the OP ran it off of a switched source and it works just fine. With that being said, you can find a power source using the same method, and just make sure the power comes on and off with the key.

My 1990 YJ Build Thread: http://www.jeepforum.com/forum/f22/might-well-start-build-thread-now-my-1990-yj-1291174/
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post #41 of 110 Old 01-22-2013, 10:24 AM
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Originally Posted by uhohthe50 View Post
Correction, it sounds like you will want to run it off a switched source as Awesome indicated. I was thinking it would need constant power to stay calibrated, but it sounds like the OP ran it off of a switched source and it works just fine. With that being said, you can find a power source using the same method, and just make sure the power comes on and off with the key.
Why would the compass move (on most vehicles) when the key is turned off? No calibration is necessary, and I would bet that they are not powered from a constant source in the stock configuration.

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post #42 of 110 Old 01-22-2013, 06:08 PM Thread Starter
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Yes, you want a switched power supply. That's how they are in the vehicles they come in from the factory.

Unlimitedlou, the one I show in my pictures fits the vertical windshield of my YJ just fine. I'm thinking you must have a different model than what I got. What did yours come out of?

'93 YJ 4.0L, AX-15, NP-231HD/SYE, 8.8in rear, OME 2.5 lift, home made front hub conversion, hydroboost. Warn M10000 winch. Currently building a stroker.

'79 Cherokee Chief, 401 MPFI fuel injection, T-18/D-20 and hydroboost. Otherwise stock.
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post #43 of 110 Old 01-22-2013, 06:26 PM
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Originally Posted by Cobra Jeep View Post
Yes, you want a switched power supply. That's how they are in the vehicles they come in from the factory.

Unlimitedlou, the one I show in my pictures fits the vertical windshield of my YJ just fine. I'm thinking you must have a different model than what I got. What did yours come out of?
2003 Saturn Vue

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post #44 of 110 Old 01-29-2013, 03:38 PM
CBinDC
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Great! F-Ing cracked my windshield!!! Nice warm day, heated the entire windshield up. The button came off. I was trying the get the red of the glue off and *CrAcK!!*. Now I have to look for another windshield.
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post #45 of 110 Old 01-29-2013, 04:04 PM
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That's why I'll have a glass shop replace my button for me. Too easy to break that stupid flat windshield.

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