11-27-2020, 06:35 PM
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#106
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Join Date: Oct 2018
Location: Washington State
Posts: 59
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Location: Washington State
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Quote:
Originally Posted by raKnizek
Anybody have or planning to use this harness upgrade with factory fog lights? Will that matter or impact anything? I noticed one of the harnesses mention that it is not for DRL or factory fog equipped 3rd gens.
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The one I had Susquehanna Motorsports build me for my '99 Limited has a relay circuit for the foglights that's controlled by the factory stalk switch, and has actuation by the stock harness connector.
Only issue I've had with it is that if I have the driving lights turned on with the factory fog switch on, then shut the truck off, then something goofy goes on and the driving lights turn on and don't shut off with the rest of the lighting.
Also, the Hella 500 driving light does wonderful things in conjunction with properly-fed stock headlights. I haven't measured it, but I'm pretty sure I have like 3/4 of a mile's worth of visibility.
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12-04-2020, 07:56 PM
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#107
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Join Date: May 2020
Location: Ontario
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Just to add to this thread, I'm using the wire harness mentioned on the first page Amazon.com: H4 LED Headlight Wiring Harness [Negative Switched Conversion] [Fused] H4 Head Light Relay Harness Kit for 9003 H6054 H5054 H6054LL 6014 6052 6053 Subaru Toyota Head Lights: Automotive and all the wires in this harness are maybe 18ga with thick insulation, since I started to cut it up to add my own ring terminals and to extend the 2 negative chassi to the battery grounds using 14GA wire I took note. I think I might rebuild this harness for 14GA if I notice resistance but it should still be bigger gauge wire than the OEM setup. I also bought the Hella 100/80w 9003 as mentioned, so we'll see how this works with the Nov 98' LTD (99' model no auto light switch on stock but lights stay on until driver door is opened), DRL's unplugged near battery and Fog lights anytime mod). Will updated how it goes.
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99' Ltd E-locker grey wired, 4R Bilstein 5100, 99 tall coils, 906 OME & 1.5" spacers, 2015 4R Trail Edition 275/70R17, 1" RB BL
97' SR5 E-locker grey wired, Warn winch, 2" RB BL, Sonoran Steel 1.2 lift, dual battery, 1000W inverter, Hydraulic Arctic plow, 12" x 33" Baja Claw
92' Eclipse GSX AWD 6/4 bolt combo, 28 PSI boost, Meth injection, 750cc injectors, FMIC, 2.5" IC piping, full 3" exhaust, 350AWHP, lowered, Alum flywheel, 6 puck Clutch, Cams, JDM gear set,VC rear diff, EPROM ECU
Last edited by Malcolm99; 12-05-2020 at 12:04 AM.
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12-04-2020, 09:28 PM
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#108
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Join Date: Sep 2020
Location: Texas
Posts: 425
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Location: Texas
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Quote:
Originally Posted by Malcolm99
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Damn, that's disappointing. I haven't cut into mine yet. Makes me want to return it and get one of the better ones that have been mentioned. Guess I could rewire it myself for cheaper. Good soldering practice I guess.
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1997 SR5, 3.4L, Manual
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12-05-2020, 12:01 AM
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#109
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Location: Ontario
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I'm sure the most benificial thing is your getting direct power & ground from the battery on a shorter circuit to the 100w headlights and maybe using slightly bigger gauge wiring, I haven't cut up the OEM harness to say what gauge it is maybe 20ga, so this is probably perfectly gauged for the task but I only dable in auto electronics and house wiring, but the requirements add up even with small gauge wiring, but I'll see. I'd probably return it if I knew it was this gauge though, but to rebuild it 14ga wouldn't be hard with the left overs parts and cheaper than the better harnesses that list gauge size.
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99' Ltd E-locker grey wired, 4R Bilstein 5100, 99 tall coils, 906 OME & 1.5" spacers, 2015 4R Trail Edition 275/70R17, 1" RB BL
97' SR5 E-locker grey wired, Warn winch, 2" RB BL, Sonoran Steel 1.2 lift, dual battery, 1000W inverter, Hydraulic Arctic plow, 12" x 33" Baja Claw
92' Eclipse GSX AWD 6/4 bolt combo, 28 PSI boost, Meth injection, 750cc injectors, FMIC, 2.5" IC piping, full 3" exhaust, 350AWHP, lowered, Alum flywheel, 6 puck Clutch, Cams, JDM gear set,VC rear diff, EPROM ECU
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12-05-2020, 07:01 PM
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#110
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Location: Texas
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Quote:
Originally Posted by Malcolm99
I'm sure the most benificial thing is your getting direct power & ground from the battery on a shorter circuit to the 100w headlights and maybe using slightly bigger gauge wiring, I haven't cut up the OEM harness to say what gauge it is maybe 20ga, so this is probably perfectly gauged for the task but I only dable in auto electronics and house wiring, but the requirements add up even with small gauge wiring, but I'll see. I'd probably return it if I knew it was this gauge though, but to rebuild it 14ga wouldn't be hard with the left overs parts and cheaper than the better harnesses that list gauge size.
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I just took a look at the harness and the only wires marked are the ones that go to the original headlight plug to activate the relays which is 16 gauge. None of the other wires are marked which is shady. I bought a bunch of 14 gauge wire today and I'm probably going to replace all the wires and recycle the plugs and everything else. At least now I can customize all the lengths to my routing.
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1997 SR5, 3.4L, Manual
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12-05-2020, 09:21 PM
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#111
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Join Date: Oct 2014
Location: Citrus Heights, California
Age: 36
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Real Name: Jerod
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16 gauge is more than enough to handle the increased draw because the wires are short. The power wire is 14 gauge. Remember, the stock wires are 18 gauge at 55W and have about 15 ft of wiring length that goes through the steering wheel stalk switch to boot. Of course, higher gauge wires give you even more security.
Last edited by gamefreakgc; 12-05-2020 at 09:26 PM.
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12-05-2020, 09:46 PM
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#112
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I've been running on 100W on stock wiring on 4runner, 92 Corolla and 90 Hilux for few years now, and so far no issues with the wire plug or wires. I started to see the benefit of 100W bulb soon after installing a new headlight housing (TYC) to the 4Runner.
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12-05-2020, 11:02 PM
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#113
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Quote:
Originally Posted by gamefreakgc
16 gauge is more than enough to handle the increased draw because the wires are short. The power wire is 14 gauge. Remember, the stock wires are 18 gauge at 55W and have about 15 ft of wiring length that goes through the steering wheel stalk switch to boot. Of course, higher gauge wires give you even more security.
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I really didn’t notice much improvement in my harness but my high beams seem brighter. I have two places deer jump infront and I can see around 1/2 mile with my high beams on and my fogs with this setup.
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12-06-2020, 03:36 PM
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#114
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Location: Ontario
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I guess I must have got the only one that says 20GA on the harness that goes to the factory plug? Which is fine as those are really signal/switch wires now not carrying a load. I thought I bought the exact kit you did?. The other wires in the harness appear to be 20ga aswell and it has the 30amp fuse and holder?(which is to large to save this wiring harness) I guess I'll have to see, disappointing indeed and it was $46 CAD Amazon.ca so I dunno what's up and whether this will work with the 100/80w bulbs,...
At 13volts and 8.33amps (100watts) and 7ft wire it should be 14GA from everything I've read, which is over sized for safety but that's the advised wire gauge for that load and length, and a 20amp fuse would be safe to use maybe 25amp fuse max, looks like I've talked myself into rebuilding this harness using 14ga 25amp fuse instead of trying it and hoping the wires don't burn. 20ga can only handle 5amps at 4.5ft length, so they built me a harness designed to burn basically, the 30 amp fuse should reduce paint and metal from burning though I guess once the wire insulation melts...
H4 LED Headlight Wiring Harness [Negative Switched Conversion] [Fused] H4 Head Light Relay Harness Kit for 9003 H6054 H5054 H6054LL 6014 6052 6053 Subaru Toyota Head Lights, Lighting & Electrical - Amazon Canada
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99' Ltd E-locker grey wired, 4R Bilstein 5100, 99 tall coils, 906 OME & 1.5" spacers, 2015 4R Trail Edition 275/70R17, 1" RB BL
97' SR5 E-locker grey wired, Warn winch, 2" RB BL, Sonoran Steel 1.2 lift, dual battery, 1000W inverter, Hydraulic Arctic plow, 12" x 33" Baja Claw
92' Eclipse GSX AWD 6/4 bolt combo, 28 PSI boost, Meth injection, 750cc injectors, FMIC, 2.5" IC piping, full 3" exhaust, 350AWHP, lowered, Alum flywheel, 6 puck Clutch, Cams, JDM gear set,VC rear diff, EPROM ECU
Last edited by Malcolm99; 12-06-2020 at 04:50 PM.
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12-06-2020, 07:02 PM
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#115
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Location: Texas
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Quote:
Originally Posted by Malcolm99
I guess I must have got the only one that says 20GA on the harness that goes to the factory plug? Which is fine as those are really signal/switch wires now not carrying a load. I thought I bought the exact kit you did?. The other wires in the harness appear to be 20ga aswell and it has the 30amp fuse and holder?(which is to large to save this wiring harness) I guess I'll have to see, disappointing indeed and it was $46 CAD Amazon.ca so I dunno what's up and whether this will work with the 100/80w bulbs,...
At 13volts and 8.33amps (100watts) and 7ft wire it should be 14GA from everything I've read, which is over sized for safety but that's the advised wire gauge for that load and length, and a 20amp fuse would be safe to use maybe 25amp fuse max, looks like I've talked myself into rebuilding this harness using 14ga 25amp fuse instead of trying it and hoping the wires don't burn. 20ga can only handle 5amps at 4.5ft length, so they built me a harness designed to burn basically, the 30 amp fuse should reduce paint and metal from burning though I guess once the wire insulation melts...
H4 LED Headlight Wiring Harness [Negative Switched Conversion] [Fused] H4 Head Light Relay Harness Kit for 9003 H6054 H5054 H6054LL 6014 6052 6053 Subaru Toyota Head Lights, Lighting & Electrical - Amazon Canada
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No, you're right. I just took another look and the wires running to the factory harness are 20 gauge. I misspoke before.
I really need to refresh myself on wire size and load capacity but it sounds like this harness is designed to be one giant fuse...haha. The unmarked wires seem suspect and I hadn't even considered the fuse size. I'd definitely feel better rewiring with wire I trust.
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1997 SR5, 3.4L, Manual
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12-06-2020, 07:12 PM
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#116
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Double posted sorry
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99' Ltd E-locker grey wired, 4R Bilstein 5100, 99 tall coils, 906 OME & 1.5" spacers, 2015 4R Trail Edition 275/70R17, 1" RB BL
97' SR5 E-locker grey wired, Warn winch, 2" RB BL, Sonoran Steel 1.2 lift, dual battery, 1000W inverter, Hydraulic Arctic plow, 12" x 33" Baja Claw
92' Eclipse GSX AWD 6/4 bolt combo, 28 PSI boost, Meth injection, 750cc injectors, FMIC, 2.5" IC piping, full 3" exhaust, 350AWHP, lowered, Alum flywheel, 6 puck Clutch, Cams, JDM gear set,VC rear diff, EPROM ECU
Last edited by Malcolm99; 12-06-2020 at 07:26 PM.
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12-06-2020, 07:20 PM
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#117
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Location: Ontario
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Ya the unmarked wires are 20GA with thick insulation,..so why they put a 30amp fuse in it is beyond me, it's actually a fire hazard in this configuration, especially if used with standard or 100w bulbs, the only thing I can think is they planned for this to be used with low wattage LED lights, but again why a 30amp fuse that is WAY oversized for this gauge wiring is beyond me. Even the main supply wire is 20ga., would 16ga work, yes, should be border line safe with a 20amp fuse, but ideally it should be 14ga +, and 16ga for (-) is sufficient, and the short 20ga wires to headlight plug to relays for signal/switching the relays are fine as there is no load on these wires anymore and can be left as they are.
I'll be sending my complaints to the seller, not that they know or care what's right or wrong I'm sure since a 20ga wire has a 30amp fuse:/ sad really.
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99' Ltd E-locker grey wired, 4R Bilstein 5100, 99 tall coils, 906 OME & 1.5" spacers, 2015 4R Trail Edition 275/70R17, 1" RB BL
97' SR5 E-locker grey wired, Warn winch, 2" RB BL, Sonoran Steel 1.2 lift, dual battery, 1000W inverter, Hydraulic Arctic plow, 12" x 33" Baja Claw
92' Eclipse GSX AWD 6/4 bolt combo, 28 PSI boost, Meth injection, 750cc injectors, FMIC, 2.5" IC piping, full 3" exhaust, 350AWHP, lowered, Alum flywheel, 6 puck Clutch, Cams, JDM gear set,VC rear diff, EPROM ECU
Last edited by Malcolm99; 12-06-2020 at 07:40 PM.
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12-06-2020, 10:07 PM
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#118
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At least Amazon should be easy to return the item to. Personally, I recommend not trying to save money on this part. I've bought rallylights.com harnesses for my last 3 Toyota 4WD vehicles going back to 2004, and have subsequently never once thought about what they cost.
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97 4R SR5, 4WD/Elock, 3.4, 5spd. OME881/890 springs/OME shocks, 265/70/16 BFG AT/KO2.
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12-07-2020, 11:00 AM
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#119
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Received my $25 bag of parts I can live with that.
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12-07-2020, 11:22 AM
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#120
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Location: Texas
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Quote:
Originally Posted by 96RedRunner
Received my $25 bag of parts I can live with that.
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Yeah, I'm kind of going back and forth on returning this vs rewiring it. I spent like $45 on wire and connectors, plus $20 for the harness. I could return it all and just spend $120 on something that's built right with better relays or just hack this together myself. Maybe I'll throw this cheap one in my Corolla running stock bulbs and buy a better one for the Runner. Decisions, decisions.
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Last edited by texadelphia; 12-07-2020 at 11:41 AM.
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