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  • #1

    fuse block

    been searching for fuse block wiring diagrams with no luck. so what wire goes where? i understand blue to blue. what about the brown wires. what size fuses go where? i have a wiring diagram but i'v got the iq of a eggplant when it comes to such things. btw thanks again TC !
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  • #2
    There is a link to online manuals from cbugs signature.......

    http://www.ringler.us/xs1100/XS1100oemManual.pdf
    Greg

    Everybody is a genius. But if you judge a fish by its ability to climb a tree, it will live its whole life believing that it is stupid.”

    ― Albert Einstein

    80 SG Ol' Okie;79 engine & carbs w/pods, 45 pilots, 140 mains, Custom Mac 4 into 2 exhaust, ACCT,XS850 final drive,110/90/19 front tire,TKat fork brace, XS750 140 MPH speedometer, Vetter IV fairing, aftermarket hard bags and trunk, LG high back seat, XJ rear shocks.

    The list changes.

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    • #3
      Dont know if this helps? On my 79SF the size of wire was a tell tell and there was a 30amp, 20amp and two 10amp fuse's that went with the different size wires


      Originally posted by bcknblkbird View Post
      been searching for fuse block wiring diagrams with no luck. so what wire goes where? i understand blue to blue. what about the brown wires. what size fuses go where? i have a wiring diagram but i'v got the iq of a eggplant when it comes to such things. btw thanks again TC !
      1979 XS1100 Special (Mad Max, OEM) Current
      1980 XS1100 Special
      1990 V Max
      1982 KZ750 LTD Twin
      1986 700 FZR Yamaha Fazer (faster then expected)
      1979 XS750 Special (my 1st Special)
      1974 CB750-Four



      Past/pres Car's
      1961 Catalina 389/1970 Torino GT 351/1967GTO 12to1 comp./ Roller cam/ T-10/ 456 gear/Tri-power/1967 GTO 400, 1969 Camaro, 1968 Z28, 2001 BMW M Roadster 0 to 60 in 4.5 sec. Jaguar XK8

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      • #4
        Originally posted by bcknblkbird View Post
        ...i understand blue to blue. what about the brown wires. what size fuses go where?
        The blue is your tail/running lights (10A), the big brown connects to the other big brown which is the turns, horn, etc (20A), the two smaller browns connect to the red/yellow (headlight, 10A) and red/white (ignition, 10A)....
        Fast, Cheap, Reliable... Pick any two

        '78E original owner - resto project
        '78E ???? owner - Modder project FJ forks, 4-piston calipers F/R, 160/80-16 rear tire
        '82 XJ rebuild project
        '80SG restified, red SOLD
        '79F parts...
        '81H more parts...

        Other current bikes:
        '93 XL1200 Anniversary Sportster 85RWHP
        '86 XL883/1200 Chopper
        '82 XL1000 w/1450cc Buell, Baker 6-speed, in-progress project
        Cage: '13 Mustang GT/CS with a few 'custom' touches
        Yep, can't leave nuthin' alone...

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        • #5
          does it matter which of the smaller browns connect to red white or red yellow?

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          • #6
            Originally posted by bcknblkbird View Post
            does it matter which of the smaller browns connect to red white or red yellow?
            No it doesn't, they are split taps off of the main power line/harness, so there's no worries about mixing them up, both browns are just power(+12V) and you're just putting a fuse between it and the two circuits they power, the red/white and yellow/white. As Steve said the larger wire is required for the turns because they draw more power/amperage.

            The MAIN fuse is in a separate holder on the other side of the bike.

            T.C.
            T. C. Gresham
            81SH "Godzilla" . . .1179cc super-rat.
            79SF "The Teacher" . . .basket case!
            History shows again and again,
            How nature points out the folly of men!

            Comment

            • #7
              Originally posted by TopCatGr58 View Post
              (snip)
              The MAIN fuse is in a separate holder on the other side of the bike.
              T.C.
              Well, I suppose that depends on the year/model. The model 78E is fused in the fuse block.
              Skids (Sid Hansen)

              Down to one 1978 E. Stock air box with K&N filter, 81H pipes and carbs, 8500 feet elevation.

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              • #8
                I organized my wiring by the length of wire I had to work with. My daughter printed me a very nice label.
                Last edited by jetmechmarty; 02-05-2012, 11:15 AM.
                Marty (in Mississippi)
                XS1100SG
                XS650SK
                XS650SH
                XS650G
                XS6502F
                XS650E

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                • #9
                  thanks to all who replied, with all this info i can't go wrong! (i hope) lol!

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                  • #10
                    Originally posted by jetmechmarty View Post
                    I organized my wiring by the length of wire I had to work with. My daughter printed me a very nice label.
                    Nice, neat job Marty.
                    Skids (Sid Hansen)

                    Down to one 1978 E. Stock air box with K&N filter, 81H pipes and carbs, 8500 feet elevation.

                    Comment

                    • #11
                      Originally posted by skids View Post
                      Well, I suppose that depends on the year/model. The model 78E is fused in the fuse block.
                      Hey Skids, Yes I know that, but I was specifically stating it for his XJ.
                      T.C.
                      T. C. Gresham
                      81SH "Godzilla" . . .1179cc super-rat.
                      79SF "The Teacher" . . .basket case!
                      History shows again and again,
                      How nature points out the folly of men!

                      Comment

                      • #12
                        Fuse Block / Main Fuse

                        I just installed a fuse block in my 80 SG (Lordco Auto Parts $13.00). PO had changed to flat fuses but had just left the holders dangling in the breeze. I was going to move my main fuse over from the left side to the block and noticed it was a 20 amp. Nothing seems to have been harmed by this but shouldn't it be a 30 amp?
                        1980 XS 1100 Special
                        Mostly stock & original
                        Added Yamaha fairing (w/ 8-track!)
                        Torpedo bags
                        New paint (still) pending
                        Stainless brake lines
                        Tkat forkbrace
                        Coils from Honda 1000

                        Previous bikes:
                        1968(?) 350 Harley Davidson
                        1977 Yamaha 650

                        Comment

                        • #13
                          Originally posted by barrelguy View Post
                          I just installed a fuse block in my 80 SG (Lordco Auto Parts $13.00). PO had changed to flat fuses but had just left the holders dangling in the breeze. I was going to move my main fuse over from the left side to the block and noticed it was a 20 amp. Nothing seems to have been harmed by this but shouldn't it be a 30 amp?
                          Yes, it should be a 30. But truthfully, on a naked bike (no extra lights, fairing, etc) a 20 amp fuse can work but it's probably operating near it's limit. So put in a 30 anyway, it may save some head-scratching on the side of the road...
                          Fast, Cheap, Reliable... Pick any two

                          '78E original owner - resto project
                          '78E ???? owner - Modder project FJ forks, 4-piston calipers F/R, 160/80-16 rear tire
                          '82 XJ rebuild project
                          '80SG restified, red SOLD
                          '79F parts...
                          '81H more parts...

                          Other current bikes:
                          '93 XL1200 Anniversary Sportster 85RWHP
                          '86 XL883/1200 Chopper
                          '82 XL1000 w/1450cc Buell, Baker 6-speed, in-progress project
                          Cage: '13 Mustang GT/CS with a few 'custom' touches
                          Yep, can't leave nuthin' alone...

                          Comment

                          • #14
                            Fuse block

                            I am getting ready to change out my OEM block with one I just revived from TC, one of the previous owners made some mods to the box already, I'm not totally sure which fuse is which at this point, the attached pic shows where it sits right now, none of the glass fuses have a legible rating on them and the blade fuse is a 25amp, a little assistance would be appreciated.
                            79 XS11F.

                            “Sometimes, for some people, things don’t work out as they might have hoped. Hope is a strange thing, a currency for people who know they’re losing. The more familiar you are with hope, the less beautiful it becomes.”

                            Comment

                            • #15
                              Main 30A (red wires)
                              Turn sig 20A (fat brown wire)
                              Ign 10A (thin brown wire)
                              Headlight 10A (thin brown wire)
                              2H7 (79) owned since '89
                              3H3 owned since '06

                              "If it ain't broke, modify it"

                              ☮

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