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  #1  
Unread 2nd April 2018, 02:20 AM
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Default Whoops! Lighting question

So I've wired up my spotlights lights and done something wrong..

I've been working under the assumption that Subarus are negatively switched, so wired up the loom that way.
Just using a lightforce loom, everything went together well, than when I tested:
  • Lights off dash switch off, spotties stay off.
  • lights on lowbeam & dash switch on spotties stay off.
  • lights on highbeam & dash switch on spotties turn on. Yay!
  • Lights off, dash switch on Spotties are on. What the?
Having reached this conundrum I redid the loom so that it was for a positively switched vehicle.
  • Lights off dash switch off, spotties stay off.
  • Lights off, dash switch on Spotties are off.
  • lights on lowbeam & dash switch on spotties turn on. What the?
  • lights on highbeam & dash switch on spotties stay off! Gaah!
Have I tapped the wrong wire for the high beam?
Should I tap the low beam instead of the high beam?
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Last edited by Ben Up North; 2nd April 2018 at 03:18 AM.
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  #2  
Unread 2nd April 2018, 02:47 AM
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They are both positively and negatively switched. It is was the method that involved the cheapest wiring to switch the lights in the combinations they wanted. (Least wires and least solenoids)

Obviously better off with the first wiring method as its easier to dim the spotlights with a simple switch to low beam. You just have to turn the spotties off before turning the lights off.

When the lights are off but in lowbeam postion they get partial negative power (enough for parkers) while highbeam position gets full power. Different spotlights will respond differently to the partial power.
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Unread 2nd April 2018, 03:23 AM
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Well In the tradition of bodge as an art form, I tapped the low beam and set up the loom for positive switch.

Success! although I'm not sure why...

Dash switch on or off when headlights are off: Spotties off.
Dash switch on headlights on low beam: Spotties off
Dash switch on headlights on high beam: Spotties On. Yay!
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Unread 2nd April 2018, 04:22 AM
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Ben, I had all sorts of fun wiring up my light bar ... I wrote it up in a thread somewhere here, but on my tablet ATM, so not easy to find. I tagged it light bar or lightbar, from memory.

It's here:

https://offroadsubarus.com/showthread.php?t=6232

Page 5 is where I started to get somewhere!

Navigation post is here:

https://offroadsubarus.com/showpost....&postcount=130

Last edited by Ratbag; 2nd April 2018 at 05:38 AM. Reason: Added page 5
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Unread 2nd April 2018, 08:51 AM
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Quote:
Originally Posted by Ratbag View Post
Ben, I had all sorts of fun wiring up my light bar ...
Jiminy Cricket you did!

Makes mine seem a walk in the park. but I haven't run a multimeter over anything either so it might all melt.
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Unread 2nd April 2018, 09:00 AM
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Ben, at least yours was a LOT less painful than mine!!

PS: I do hope yours doesn't melt ... Without a multimeter, just (carefully) feel the wires for excessive heat after they have been on for 5-10 minutes.
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Unread 2nd April 2018, 09:00 AM
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...And now I'm worried that I'm going to melt something.

Given the tiny size of the switching wire (? The wire that connects to Low Beam) in the lightforce loom, hopefully that will go first.

Still don't understand why it's working.
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Unread 2nd April 2018, 11:35 AM
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Default Whoops! Lighting question

I donít understand how yours works either lol
With all of my led bars I have the led bars switch wired to the high beams and the relay +&-directly to the battery.
Then I flick the switch on and that primes opens power to the led bar but wonít engage the light until I flick to high beams, then if I switch my led bar switch to off and flash my high beams nothing but my highs come on


I honestly wouldnít worry about it melting if you have a fuse in line.
My roof bar(200w) and my 2 side ledís (160w)are all wired to the same harness and switch and my roof hasnít caught fire yet lol



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  #9  
Unread 2nd April 2018, 07:47 PM
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I should take some pics now it's all done. Might do that tonight..
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Unread 3rd April 2018, 04:30 AM
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wouldnt that be best to connect those extra lights just separate straight from battery make new switch with relay and fuse.? thou i just connected mine leds from fog lights and they work , but when i tried to put led bulb into daytime light they didint worked because it was connected negative, so i just switch wires and made it positive . but for biger led bar or another leds i would just connect them separate i guess.
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