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  • Positive or negative high beam

    Just wondering if anybody can tell me if the 2005 grande high beam is positive or negative. Just bought some spotlights and pre wired harness and the wiring diagram says if pos or neg but can not find it anywhere, it is probably something simple.

  • #2
    Re: Positive or negative high beam

    Not quite sure what you mean, but I do believe all cars in Aus are negative earth. Hope this helps.

    Graeme K
    Politicians And Nappies Should Be Changed Often - And For The Same Reason.

    Comment


    • #3
      Re: Positive or negative high beam

      My spotties were hooked up for negative switching, which meant splicing the negative lead on the high beams.
      [COLOR="black"][b]William[/b][/COLOR]
      [SIZE="1"][COLOR="gray"]Prado 150 GXL D4D Auto in White![/COLOR][/SIZE]
      [url=http://www.pradopoint.com/showthread.php?18483-William-s-150-GXL-D4D][U][COLOR="blue"][SIZE="1"]My Rig Build-up[/SIZE][/COLOR][/U][/url]

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      • #4
        Re: Positive or negative high beam

        Toyota headlights are switched negative.
        3 wires - 12v+, low beam, high beam

        with head lights off you will meter 12v to ground on all wires
        with low beams on the wire that meters 0v to ground is the low beam switch
        with high beams on 2 wires will meter 0v to ground
        the high beam wire will have 12v on low beam & 0v on high beam

        wire your spot light relay from battery positive, through the dash switch, through the relay and onto the high beam wire
        Glenn
        2012 GX TD 150 with long mudflaps - [url]http://www.pradopoint.com/showthread.php?23370-Yota-s-150[/url]
        1996 GXL TD 95 with no mudflaps (sold) - [url]http://www.pradopoint.com/showthread.php?12402-My-Truck-quot-Build-Up-quot[/url]

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        • #5
          Originally posted by Yota View Post
          Toyota headlights are switched negative.
          3 wires - 12v+, low beam, high beam

          with head lights off you will meter 12v to ground on all wires
          with low beams on the wire that meters 0v to ground is the low beam switch
          with high beams on 2 wires will meter 0v to ground
          the high beam wire will have 12v on low beam & 0v on high beam

          wire your spot light relay from battery positive, through the dash switch, through the relay and onto the high beam wire
          Thanks for this thread, helps to know this stuff before you wire things up. However I thought I'd check my 120 series out to make sure. It appears my 2008 GXL D4D is not negitive switched, I was able to identify the high beam wire in my headlights as +12 when in high beam.

          Seems Mr Toyota likes to mix things up?
          2[FONT=Arial Narrow]008 Prado GXL D4D Auto with Prado Pack

          4x4 History: 2000 Prado GXL 90 Series 1KZ-TE, 1992 4runner 2.8 Motson turbo, 1985 Landcruiser 60 Series 3.9L Diesel, 1985 4Runner 2L 2.4 Diesel later mod. + 2.4T (Factory Turbo), 1982 Hilux 2.2L Diesel in Yellow (callsign 'Yellow Peril') later mod. + 2.4L engine[/FONT]

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          • #6
            The 150 has +VE switched high beam.


            Sent from Richos iPhone using Tapatalk
            [B]Former [/B]Party Leader, [B]Now[/B] SDO SEQLD GTG 2015 PFA (Pradopoint Fairy Advisor)
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            • #7
              Originally posted by Richoson View Post
              The 150 has +VE switched high beam.


              Sent from Richos iPhone using Tapatalk
              I agree Richo, this thread had me a little baffled when I went to wire my spotties up. I went over and over that headlight plug with the multimeter and I'm sure they are positive switched.

              Dave.
              Silver 150 D4D Manual. ARB winch bar, Safari snorkel, Tigerz11 12000lb 2 speed winch, Lightforce 70W HID XGTs, ABR Sidewinder dual battery system, ABR air compressor, Powerful 4X4 roof rack, Tigerz11 awning, ARB imitation rooftop tent, 40L Gold Engel to keep the Coke cold.

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              • #8
                Originally posted by peril View Post
                Thanks for this thread, helps to know this stuff before you wire things up. However I thought I'd check my 120 series out to make sure. It appears my 2008 GXL D4D is not negitive switched, I was able to identify the high beam wire in my headlights as +12 when in high beam.

                Seems Mr Toyota likes to mix things up?
                My 2008 D4D GXL is negative switched?
                HKB Electronics, manufacturer of the Alternator Voltage Booster, Silver 2008 D4D,Lifted,Underbody protection, Alternator Voltage Booster, Tiger Z winch, Lightforce DL, Air Horns, Tanami Drawers, Drop down fridge slide, Outback cargo barriers, Rotronics dual Battery system, Polaris GPS, HF/UHF/VHF, Radio speaker combiner, Long ranger water tank, Diff breathers, Inverter, Snorkel and others

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                • #9
                  My 2006 D4D GXL is a +ve Switched

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                  • #10
                    the 150 head lights had me stuffed, metered it and thought +ve switched but when I wired it the lights come on with the parkers, wired it as if -ve switched and they come on instantly. Ended up wiring the relay in paralell with the high beam globe (from one wire to the other), all sweet now.
                    The -ve switched post above was from experiance with the 90s and my 2010 D4D work hilux
                    Glenn
                    2012 GX TD 150 with long mudflaps - [url]http://www.pradopoint.com/showthread.php?23370-Yota-s-150[/url]
                    1996 GXL TD 95 with no mudflaps (sold) - [url]http://www.pradopoint.com/showthread.php?12402-My-Truck-quot-Build-Up-quot[/url]

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                    • #11
                      Can someone confirm if the 150 is + or - switched. Seems a couple of different views here. Also, can someone take a photo of where the switch wire taps into the high beam wire? Or at least Describe which wire it is (colour/location etc).

                      Cheers, Sam.
                      150 GXL V6 Auto. BFG AT 275/65/R17, ARB Deluxe Winch Bar, OME 2" Lift, Firestone Airbags, Dual Batteries, GME UHF, Rhino Sportz Crossrails and Platform Rack, ARB Awning, Redarc Brake Controller, Rear Drawer System, Safari Snorkel, New Toyota Mudflaps, Kaymar 'Wheel on Door' Bracket, ARB Under Vehicle Protection, IPF 900XS Spotties, Allied Hammer Wheels. Disclaimer - I am an ARB employee. [B][URL="http://www.pradopoint.com/showthread.php?17348-Sam-s-150-V6"]Buildup Thread[/URL][/B]

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                      • #12
                        Ok I can add some clarity to this. Just installed a set of IPF 900XS and the 150 is definitely positively switched for the high beam.

                        Only 2 wires feeding the high beam globes, white and black. The black wire reads 12v when the high beams are on so tapped the IPF trigger wire (yellow) into that one and everything works perfectly.

                        Cheers, Sam.
                        hookedon4wding
                        Advanced Member
                        Last edited by hookedon4wding; 05-05-2012, 05:35 PM.
                        150 GXL V6 Auto. BFG AT 275/65/R17, ARB Deluxe Winch Bar, OME 2" Lift, Firestone Airbags, Dual Batteries, GME UHF, Rhino Sportz Crossrails and Platform Rack, ARB Awning, Redarc Brake Controller, Rear Drawer System, Safari Snorkel, New Toyota Mudflaps, Kaymar 'Wheel on Door' Bracket, ARB Under Vehicle Protection, IPF 900XS Spotties, Allied Hammer Wheels. Disclaimer - I am an ARB employee. [B][URL="http://www.pradopoint.com/showthread.php?17348-Sam-s-150-V6"]Buildup Thread[/URL][/B]

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                        • #13
                          All 120 series Prado's are Neg Switching, what people get mixed up with while test is they get positive potential on the low wire as it feeds through the filament of the bulb. to test correctly disconnect both bulb then test, you will get no feedbacks then.

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                          • #14
                            My 2009 D4D is whatever Matty&Loz says it is. This whole damm +ve/-ve thing confuses the utter $#%& out of me. I'm still coming to grips with the electric triangle diagram Matt explained to me about 18 months ago............
                            [B][COLOR=blue]Bitumen: A blatant waste of taxpayers money![/COLOR][/B]
                            [URL="http://www.pradopoint.com/viewtopic.php?f=38&t=12197&start=0&st=0&sk=t&sd=d"]My rig buildup[/URL] [URL="http://www.pradopoint.com/album.php?albumid=141"]Mundaring Power Lines Jan 01[/URL] [URL="http://www.youtube.com/watch?v=KuQmi3Tgoe0&feature=feedu=d"]You Tube Video Morgan Quarry[/URL]

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                            • #15
                              When I fitted my Hid spotties, rather than cut into the headlight wires to find the Hi-beam power supply to trip the relay on the spotties, I removed the Hi-beam relay in the engine bay fuse box and by trial and error picked up the terminal that receives power when the Hi-beam is activated. I then "plugged" the bared wire into the relay block and plugged the relay back into place over the top. All works well and no cutting and splicing required, crude but effective. I used a premade wiring loom from ARB Sidewinder from e-bay.

                              Hope this helps,

                              Peter.
                              GX 150 White. D4D. Factory Alloy bullbar, Factory Towbar, Sidesteps, 7 Seat Opt, Bug Screen, Seatcovers, Window Tint,
                              Dig Opts Fangle-d Wireless.

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