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  • #1

    Puzzled by Electrical Issue

    HEY guys, it's been a while since i've been on here! However, i have an electrical issue and was hoping for some advice.

    I changed the battery in my 1980 XS1100 Special and now have no tach, no signal lights or brake lights?

    All else seems fine. i have running lights, emergency flashers, headlight and speedo and tach are lit up as well.

    Any help would be appreciated. All fuses are intact.

    Thanks for any help you can offer.
    Cam
    Tags: None
  • #2
    I know you said fuses are intact, but make sure the fuse mounts are in good shape too. Check all connections near the battery, take them all apart and put them together after checking for corrosion or loose connectors.

    Double check fuses with a meter too.

    Comment

    • #3
      Thanks, I think I'll pull the battery back out and retrace my steps and also check what wires I may have moved or loosened when i did it. I was thinking that there must be a common wire or connector or fuse that was related to all of the lights and tach that are affected that I somehow may have disconnected.

      Thanks for your advice. I appreciate it.
      Cam

      Comment

      • #4
        Like was stated, check all the connectors. Particularly the ones the battery bumps up against behind the fuse panel.

        Also check all the connections on your fuses. Especially if you have a stock fuse panel.
        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.

        Comment

        • #5
          Reading the manaul and looking at the wiring diagram:
          In the 4-fuse panel. the taillight fuse (10A) is located on the left-hand side of the panel: continuing from left to right are the headlight (10A), turn signal (20A) and ignition (10A).

          Given your symptoms, No brake lights, no tach, no blilnkers, I've traced the circuit to the 20 amp turn signal fuse (it the one that goes from tan wire to tan wire and is probably one of the bigger gage wires.)
          If that fuse blew, then you'd have no: tach, turn signals, neutral light, high beam, fuel low, brake lights, oil warning light, and no horn.

          The speedo/tach/running lights get power from the headlight circuit (10A), the hazards come off the main fuse
          Hi, my name is George & I'm a twisty addict!

          80G (Green paint(PO idea))
          The Green Monster
          K&N A/F, TC's fuse block, '81 oil cooler, TC's homemade 4-2 w/Mac Mufflers, Raptor 660 ACCT
          Got him in '04.
          bald tire & borrowing parts

          80SG (Black w/red emblems & calipers)
          Scarlet
          K&N A/F, TC's fuse block, WJ5, Shoei bags, Raptor 660 ACCT.
          Got her in '11
          Ready for the twisties!

          81H (previously CPMaynard's)
          Hugo
          Full Venturer, Indigo Blue with B/W painted tank.
          Cold weather ride

          Comment

          • #6
            If you have the crappy old glass fuses they can look good, and show continuity but still not work well enough to pass full current when in use.

            I would suggest ditching the glass fuse panel if you still have it. Pm TC and get one of his.
            Nathan
            KD9ARL

            μολὼν λαβέ

            1978 XS1100E
            K&N Filter
            #45 pilot Jet, #137.5 Main Jet
            OEM Exhaust
            ATK Fork Brace
            LED Dash lights
            Ammeter, Oil Pressure, Oil Temp, and Volt Meters
            Green Monster Coils
            SS Brake Lines
            Vision 550 Auto Tensioner

            In any moment of decision the best thing you can do is the right thing, the next best thing is the wrong thing, and the worst thing you can do is nothing.

            Theodore Roosevelt

            Comment

            • #7
              Nate, He might not know who TC is so you'll have to spell it out for him.
              TopCatGr58 sells fuse blocks with the crimp connectors.
              Here's a pic with mine hooked up.

              Hi, my name is George & I'm a twisty addict!

              80G (Green paint(PO idea))
              The Green Monster
              K&N A/F, TC's fuse block, '81 oil cooler, TC's homemade 4-2 w/Mac Mufflers, Raptor 660 ACCT
              Got him in '04.
              bald tire & borrowing parts

              80SG (Black w/red emblems & calipers)
              Scarlet
              K&N A/F, TC's fuse block, WJ5, Shoei bags, Raptor 660 ACCT.
              Got her in '11
              Ready for the twisties!

              81H (previously CPMaynard's)
              Hugo
              Full Venturer, Indigo Blue with B/W painted tank.
              Cold weather ride

              Comment

              • #8
                Many Thanks,

                Gentlemen,

                I really appreciate all the help! i'm going to get to look at it a bit later. GLoweVA thanks so much for tracing the circuit for me i really appreciate it. Also, all the other help from all you guys. that's why i love this Forum.

                I know who TC is. I think I bought an oil filter/cooler from him a few years ago? Thanks again,

                Safe riding.......
                Cam

                Comment

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