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Deere 6675 starting problem

Discussion in 'Heavy Equipment' started by In2toys, Dec 7, 2008.

  1. In2toys

    In2toys Senior Member
    Messages: 319

    First off great forum guys & gals, Most times I can find my problem by searching, but not this time.

    Here's the scoop... I've had the machine about 8 months now with very few problems. About 2 months ago I added some lights as there were no factory lights. Just some basic off road lights, nothing real high amperage. Shortly after it developed an intermittent deal where when you tried to start it the display would display the glow plug light & it would just click & not start. If you pushed the service start switch to service, it will start right up. Push the service switch back to run & then you reset the seat belt & it runs fine. It displays F 03 after that. I assume that's a code going from service to run ... It didn't matter if the machine was warmed up or cold.
    Last week I added a maradyne heater & now I have to go through the above actions every time I start it. Any thoughts would be greatly appreciated.
  2. stauffer.80

    stauffer.80 Junior Member
    Messages: 20

    Sounds like low battery power. We had a NH Lx665 which is of the same age and design, and it would sometimes start goofy until we replaced the battery.
  3. In2toys

    In2toys Senior Member
    Messages: 319

    Here's some better / more accurate info. This actually started before I installed the extra electrical stuff. That came to me about 530 this am as my mind was working... Anywho, the ignition switch was also wobbly & would not hold the key in, so I replaced that with a switch from NAPA thinking that was the cause of the funky starting. It did the same starting deal even with the new switch. The code is also actually F 04. The only juice the heater takes is to run the fan as it's hot water heat.
  4. brad96z28

    brad96z28 PlowSite.com Addict
    Messages: 1,525

    Had one with a similar prob. It was a relay in the fuse panel.
  5. In2toys

    In2toys Senior Member
    Messages: 319

    I'll check that out. Don't spose you remember which one??
  6. In2toys

    In2toys Senior Member
    Messages: 319

    It was the starter interlock relay. Thanks guys.
  7. elite1msmith

    elite1msmith 2000 Club Member
    from chicago
    Messages: 2,762

    hey were is that relay located?
  8. In2toys

    In2toys Senior Member
    Messages: 319

    On the fuse panel in the engine compartment. it has a screw, top & bottom holding it on. 6 terminals on it. As you are looking at the panel it's on the left hand side. Let me know if you need a part number. $43 at the local JD dealer...