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  • Turn signal issues

    Ok, I started this morning off with no brake lights, and no turn signals. Everything was fine last night when I drove home from work. So I took my car to friend of mine who does a lot of work on Triumphs. (He is currently restoring a TR 250). We were able to work through the brake lights. They are working now. We did determine that the right front signal light/running light has a bad socket. He gave me a replacement! Anyway, we ran out of time to further investigate what was going on the turn signals. We discussed the hazard switch may have something to do with the issue I am having as that switch has not worked since I have had the car. So, on drive back home I toggled the hazard switch and the green turn signal indicator light came on when right turn activated only. By the time I got home I had left turn signals and would probably have right turn signal if I had replaced the right front light socket. When I put the car in the garage for the evening and tried my turn signals. Right turn activated=right rear on not flashing. (will probably work once right front is replaced). but when I activate the left turn signal the left front blinks along with both rear turn indicators....I have no idea what is going on now. Welcome to the world of Lucas wiring I suppose. Ideas?

  • #2
    Year model would be helpful as the wiring varies.
    I72 Pimento w/overdrive

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    • #3
      sorry,
      It's a '69

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      • #4
        My want to put that that into your signature line so you don’t have to remember to type it in every time.

        I would suspect the Hazard switch as it all goes through there and they get crusty and oxidized from lack of use. I would replace the socket first as that could be giving a second ground loop for the lights. If it still happens after replacing, exercise the haz switch 10 to 20 times to get some oxide off. If that doesn’t work, I would remove the haz switch. They can be prised apart gently and the guts cleaned of oxide and old grease, relived and put back together. They are quite pricey to replace
        Last edited by lfmTR4; 11-28-2018, 01:21 PM.
        I72 Pimento w/overdrive

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        • #5
          Thanks! I'll work on it this weekend and see how it goes.

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          • #6
            Click image for larger version  Name:	DSCF1157 (15).JPG Views:	3 Size:	263.0 KB ID:	517575Click image for larger version  Name:	DSCF1160 (9).JPG Views:	1 Size:	240.0 KB ID:	517574
            Here's the inside of the ($80.+) Hazard switch.

            The Dan Master's Electrical Handbook has an EXCELLENT trouble-shooting chapter for the Hazard Switch & Turn Signals.
            Worth the price of the book.
            One solution he suggests is to toggle the Hazard Switch repeatedly until the lights work.
            Another is to clean all bulb holders.

            To remove the Hazard Flasher means pulling the RPM gauge and moving the wood dash panel, not to mention the contortions one must go through.
            I would try all other possibilities first.

            The Bentley Manual is shown, opened to the pages that give the correct position of the wires attached to the Hazard Switch--- the position of the connectors is Critical; and that any connecting wires haven't pulled loose.

            Also, try switching known good bulbs with the one not lighting- you may have a non-functioning bulb causing havoc.
            Last edited by SapphireBlue72; 11-28-2018, 02:27 PM.
            Walt
            CC80954U '72 TR6 original condition/sold 16.500.
            poolboy rebuilt the Z-S Carbs. Philstr6 rebuilt both rear hubs.

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            • #7
              The 69 switch is a bit easier as it only has 4 contacts but it comes apart the same way, you gently pry the ears up over the pins on the side sides with a knife or thin screw driver.
              I72 Pimento w/overdrive

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              • #8
                Thanks guys. The entire issue seems to have been a faulty socket on the right front turn signal light. I replaced it and now everything is fine.

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                Turn signal issues

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