Wiring Power to various components. - Ranger-Forums - The Ultimate Ford Ranger Resource


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Old 03-10-2005
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Wiring Power to various components.

Ok, my question here is, things like auxilary lighting..

For Ex: My guages, wheres a place to get power from (other than the battery) for my guages to turn on, when i start my truck?

Any info is greatly appreciated, and also, and pictures would be greatly appreciated as well..

Lets see your set-up.

Rwenzing? Bob , N3ELZ? John, anyone?
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Old 03-10-2005
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For constant 12V power to the high amperage wires for aux lighting, there are a couple of lugs under a small cover on the front of the underhood relay box.

Last edited by V8 Level II; 03-10-2005 at 09:06 PM.
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Old 03-10-2005
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what kind of gauges? can you tap into a 12v supply?
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Old 03-10-2005
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Quote:
Originally Posted by rwenzing
For constant power items like the high amperage wires for aux lighting, there are a couple of lugs under a small cover on the front of the underhood relay box.

Use the empty ones? And throw a fuse in there?

Sorry for the dumb questions, only wiring i have done was off the battery, (amps) and what not.
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Old 03-10-2005
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Air/Fuel , Water Temp.. Autometer guages..

Wont a 12v blow my little 194 bulb in there out? lol
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Old 03-10-2005
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in the front of the fuse box there is a little cover, you pop that off and you will see 2 nuts, choose wither one you want, I beleive I tested them before and they are both 12V.
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Old 03-10-2005
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The power for the fuse box? I can go off there eh? Cool.
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Old 03-10-2005
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Quote:
Originally Posted by FoMoCoEdge
Use the empty ones? And throw a fuse in there?

Sorry for the dumb questions, only wiring i have done was off the battery, (amps) and what not.
Sorry, I think I misunderstood. I thought you were talking about auxiliary lighting like driving lights.

For powered components that should come on only with the ignition key in the RUN position, you can tap a limited amount of power from other keyed circuits like the gray/yellow or the black/light green to the AC controls.

For your gauges, it would be better to have them on in both START and RUN. For that, you can tap the red/yellow (NOT yellow/red!) to the GEM module or the headlight switch.

To light your instruments, you can tap power for a few extra bulbs off of the light blue/red wire to the instrument cluster, head unit, AC controls, etc. That will give you adjustable lighting through the dimmer switch.

For constant, non adjustable lights, you can tap off the solid brown wire from the headlight switch or GEM module.

Last edited by V8 Level II; 03-10-2005 at 09:03 PM.
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Old 03-10-2005
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ok doesnt look like ill be able to help ya out

but on another note, i got my air gauges glassed into my bezel. it looks kick ***. ill post some pics next week. my truck has gotten a total makeover since last time you saw it
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Old 03-10-2005
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Thanks for the info Bob.. VERY helpfull..


Nick, cant wait to see it again bro.
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Old 03-10-2005
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Quote:
Originally Posted by FoMoCoEdge
Air/Fuel , Water Temp.. Autometer guages..

Wont a 12v blow my little 194 bulb in there out? lol
No, the 12V~14V "push" is about the same everywhere on the truck. The resistance of the bulb is high enough to limit the current that flows through it, regardless of whether it is wired directly to the battery or under the dash or at the tail light harness.
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Old 03-10-2005
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I just taped an existing fuse, probably cant see much but there are two wire going into one side of the prong on a fuse, think its the radio? fuse.. I dont remember, but it works. I can take a better pic for ya, but it sounds like Bob gave ya a better way to do it.
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Old 03-10-2005
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^^^ lots of wires ya got there

yah, i was gonna say just wire it up to the iginition or radio fuse...but i dunno how many gauges u got to wire up...
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Old 03-10-2005
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Quote:
Originally Posted by TippnOver
^^^ lots of wires ya got there

.
Red -Transmition Sender
Blue- Water Sender
Green- Ground (green for earth)
Yellow - Power (yellow for sun/lights, made sense to us )

You wanna see a lot of wires look under my dash
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