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Thread: Defender TD5 headlights problem

  1. #1

    Defender TD5 headlights problem

    Hi
    Need help with 2000 defender, burnt out light switch, fitted new switch now have parkers working but headlights only work on hi beam flash as before switch replacement. Have power out of headlight switch (blue wire) but no power coming in on blue wire to dip switch. Have no wiring diagram in my workshop manual. Where does blue wire go between light switch and dip switch? Have checked fuses and relay all seem ok, Any help greatly appreciated my only vehicle.
    Regards Graham

  2. #2
    Join Date
    Jan 1970
    Location
    Western Sydney
    Posts
    25,554
    Which switch did you replace, the headlight or blinker/dip/flasher?

    If they still use the same old crappy Lucas blinker/dip/flasher switch that many British manufacturers used, then it's probably melted, too.

    Been there, done that with my Hillman - several times until I put relays in and replaced the switch with a Bosch unit from an XD (?) Ford Falcon.

    I had to machine up a collar for it to work but work it did - for many years afterward.

    Ron
    Ron B.
    VK2OTC

    2004 L322 Range Rover Vogue 4.4 V8 Auto
    Yamaha XJR1300



    RIP Bucko - Riding on Forever

  3. #3
    Join Date
    Jan 1970
    Location
    Kyabram, VIC 3620
    Posts
    2,543
    Quote Originally Posted by gsang110 View Post
    Hi
    Need help with 2000 defender, burnt out light switch, fitted new switch now have parkers working but headlights only work on hi beam flash as before switch replacement. Have power out of headlight switch (blue wire) but no power coming in on blue wire to dip switch. Have no wiring diagram in my workshop manual. Where does blue wire go between light switch and dip switch? Have checked fuses and relay all seem ok, Any help greatly appreciated my only vehicle.
    Regards Graham
    I'll post the relevant pages of the wiring diagram - give me a few mins to dig them out.

    I would recommend you get a RAVE CD from dave (incisor) in the markets section - I am sure he has one for the Defender - all the wiring diagrams are in there.

    And you sure need them for LR's

  4. #4
    Join Date
    Jun 2006
    Location
    Arnhem Land, NT
    Posts
    8,503
    Graham you can download the RAVE CD on the www or purchase it from the forum. This has the wiring diagrams on it.

    The blue wire goes from the switch to a relay then to the dip switch.


    MY15 Discovery 4 SE SDV6
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    Past: 97 D1 Tdi, 03 D2a Td5, 08 Kimberley Kamper, 08 Defender 110 TDCi, 99 Defender 110 300Tdi

  5. #5
    Join Date
    Jan 1970
    Location
    Kyabram, VIC 3620
    Posts
    2,543
    Hope this helps.


    but do get the RAVE CD
    Last edited by ladas; 22nd October 2008 at 09:47 PM.

  6. #6
    Join Date
    Jan 1970
    Location
    Yass NSW
    Posts
    7,248
    When you look at the dipp switch it will be the outer blue wire. Found mine had worked loose. All it took was to tighten up the pin and reconnect. Main switch is just evil.

  7. #7

    defender headlight prob

    Thanks for all your help, drawing seems different, mine has 20 fuses in cab and 7 under drivers seat. The pin connection on dip switch seems tight just no power in wire, the relay I checked is one of 5 in cab under fuses but perhaps there is another relay I haven't found yet, thanks again

  8. #8
    Join Date
    Jan 1970
    Location
    Kyabram, VIC 3620
    Posts
    2,543
    Quote Originally Posted by gsang110 View Post
    Thanks for all your help, drawing seems different, mine has 20 fuses in cab and 7 under drivers seat. The pin connection on dip switch seems tight just no power in wire, the relay I checked is one of 5 in cab under fuses but perhaps there is another relay I haven't found yet, thanks again
    The fuses shown on the wiring diagrams are the one used for the lights.

    The others are omitted from the diagram for clarity

    Just look at the fuse numbers.

  9. #9
    Hi there,
    Don't go round in circles looking for a riddle. Remember that the ignition will have to be on to make heads work normally, whereas the highs can be flashed anytime. At least this is so on a Defender 300.
    The ignition activated relay is away from the column. The feed from the headlight output of the main switch goes away to the relay and then comes back to the dipper.

    I had the luck to lose one headlamp low beam, somewhere in the loom. Used the remaining good one to trigger a new separate relay up in the engine bay near the alternator. Fitted relays for high beam and drivers while I was there. The standard light switching is just too light for the load.

    Even the rating for fuses and wiring for the parkers is too light. If towing things with more than two tail lights eg markers, consider a relay near the back. This will save the existing setup from failure. Same with stops, reverse lamps and flashers.

  10. #10
    Join Date
    Aug 2006
    Location
    Kingston, Tassie, OZ.
    Posts
    12,139
    [quote=rovers4;555690]Hi there,
    Don't go round in circles looking for a riddle. Remember that the ignition will have to be on to make heads work normally, whereas the highs can be flashed anytime. QUOTE]


    Beat me to it!!!!

    JC

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