• Thank you for visiting HeavyEquipmentForums.com! Our objective is to provide industry professionals a place to gather to exchange questions, answers and ideas. We welcome you to register using the "Register" icon at the top of the page. We'd appreciate any help you can offer in spreading the word of our new site. The more members that join, the bigger resource for all to enjoy. Thank you!

electrical

  1. D

    580 Super L Transmission won’t shift F or R

    Serial JJG0191450 First off, not much of a mechanic, so bear with me. I will probably have to look up how to do anything suggested. Problem presented as you needed to slightly rev the engine a hair for it to engage and would move fine then. Restarted unit a few times, no change, drove it back...
  2. M

    1996 Caterpillar 312 Grey Market Electrical Harness 7DK00610

    Hello all, we have a excavator with a melted harness from the circuit panel to the engine. I've attempted repairs and at this point it is much easier I feel like to replace the body harness. With that said does anyone know where to buy either a partial or complete harness? A picture of data tag...
  3. T

    JD318D Electrical Issues

    Hi all- I’m having some issues with a 2011 JD 318D. The EMU backlit display will not shut off and when I turn the key it is not running through its normal cycle and no indicator lights come up. In the past I have fixed this issue by removing the negative battery cable and jigging it on the...
  4. G

    Engine not revving up

    Hello. I have an engine acceleration problem on my 289D CAT skid steer. The governor actuator (#1 in the attached PDF) on my machine does not respond to throttle inputs from the cab. The display unit controller, however, does indicate an accurate signal is being generated from the controls...
  5. T

    1980 New Holland L775 Skid steer slow cranking issues

    Hello I have owned this machine for about a year. It is a 1980 New Holland L775 with a 4 cyl duetz deisel engine. I had been having an issue on and off where I was dealing with a slow cranking issue. I have replaced battery cables and terminals. One of the first times this happened was when i...
  6. J

    Weird electrical issue New Holland LS185.B (SEE VIDEO)

    Hello, I have a weird electrical issue going on with my Skid Steer. It's a 2007 New Holland LS185.b. It has a fully charged battery, but checkout the dash lights. They fade in an out. When I turn the key to start, there is nothing. Any ideas? Here is the link to this 30 second video:
  7. N

    Takeuchi TB290 biggest of small excavator wont turn over

    My auction buy TB290 suddenly won't turn over. I was cleaning it and painting a few spots and now this. I don't think I pressure washed any electrical, I might have blown dust somewhere I shouldn't have. Its a 2016 and has 3,500 hours. It's always started right up. I've been looking for...
  8. S

    Help! Case 70xt Auto-level/electrical issues.

    I just purchased an 04 Case 70xt for a very good price in seemingly really good condition! It does have a few of issues, one of which is very frustrating: it is stuck in self level mode. When raising the arms it auto levels. When lowering it holds the position you left it in until you're...
  9. J

    Cat 308e2 cr hour meter

    Hey guys, new here and looking for some help. We have a 2015 Caterpillar 308e2 Cr and the hour meter isn’t working. I believe it’s showing 8888.8 but it definitely doesn’t have near that many hours on it. Any advice or suggestions are greatly appreciated. Product identification number...
  10. J

    John Deere 326e charging issue

    My 326e manual control has been giving low voltage warnings every time it gets started for a while, but it was functioning properly occasionally we’d have to charge the battery for it to start but not very often. We’ve tried to track down the issue several times and have had a service tech come...
  11. I

    Cat 955K service questions

    I bought a Cat 955K S/N 85J3811 last year, also have PDF service manual. My questions: 1. there is an electrical problem and 2 people are needed to start the machine - 1 to adjust the throttle, and 1 to jump the starter solenoid to the battery cable terminal with a screwdriver. start switch...
  12. B

    6000M FORK CONTROL

    LOOKING FOR REPAIR MANUALS
  13. L

    Bobcat 863 - Electrical issues preventing aux usage

    Hi folks! Hoping you can help me with one (last?) problem on my 863 C-Series: When I engage the aux system, it doesn't work and the light flashes. This is the exact sequence I'm seeing: Machine on (engine running or not; doesn't appear to matter). BICS enabled (whether through sitting in the...
  14. F

    Electric Problem Cat 924gz

    Hello, I have a problem with a CAT 924gz series rta00614, the machine was working normally, they stopped it and then it won't start anymore, there is no electricity on the board and the ignition key, could it be a relay? Thank you so much
  15. E

    Camera feed cable Volvo EC380Dl

    Hello all, Recently had a complaint the camera went out on our EC380DL. Found that it was completely sheared about 8feet from actual camera. Hoping to sell the machine soon so don’t want to pick up a manual just for a wiring diagram to find the other end of the cable.
  16. A. Williamson

    Snorkel TB60

    Hi all, I'm working on a snorkel tb60. I believe it is a 2001 but I can get an exact date/serial number if needed. I have a service manual which has been pretty useful. It has multiple issues. I got called out because it had no swing function and intermittent/unresponsive controls on platform...
  17. TJAlbert

    Need some help with a Cat 416 Series II

    I have a Cat 416 Series II (5pc14686) that is in good running condition. However, a rat or squirrel decided to make his home under the right hand side operators panel and destroyed the wiring behind it. I have the parts manual for this machine and it looks like the harness part number is...
  18. J

    Cat 262b auxillary issue

    Just recently bought an 07 cat 262b skid steer off someone on facebook. Has a 4n1 bucket on it but when trying to test out the aux buttons on the joysticks nothing happened. Guy claimed he thinks it's just a bad joystick switch. Bought it anyway but trying to troubleshoot it myself. When I took...
  19. A

    Cat D6K2 random electrical fault.

    The dozer I run has had a random electrical fault all summer. It'll run perfect for several weeks to a couple months then over several days it will act up every little bit. The symptoms: the first thing I notice is the GPS system will shut down. When I go into GPS diagnostics the only thing...
  20. S

    2009 Caterpillar 277c glow plugs not getting power

    Hey y'all I recently purchased an 09 cat 277c but it has some starting problems. I insert the key and switch it to the on position wait until the unit beeps and then try to turn it over but nothing. It does crank but doesn't actually run. I tried spraying a bit of starting fluid on the air...
Top