• 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!

Search results

  1. M

    Cat 259D wiring schematic?

    Well like I said with a scanner hooked up reading from ecm it always says 140° from live feed also so probably leaning more towards ecm.
  2. M

    Cat 259D wiring schematic?

    Could it possibly be in the machine control module?
  3. M

    Cat 259D wiring schematic?

    I double checked. It is the correct wiring in looking at.
  4. M

    Cat 259D wiring schematic?

    I’m almost certain it’s the right sensor it’s definitely a stretch to reach back too it.
  5. M

    Cat 259D wiring schematic?

    Alright I can do that I’ll get back with you! I appreciate the help!
  6. M

    Cat 259D wiring schematic?

    I may be able to hook my scanner up and get readings possibly. I’ll have to check to make sure. That’s why I’m kinda worried it’s not throwing codes. I’m thinking it might be something in the Engine ECM.
  7. M

    Cat 259D wiring schematic?

    Thank you I’ll get ahold of some and report back with what I find out!
  8. M

    Cat 259D wiring schematic?

    I’ve tried resetting the display with no change. I did check voltage at the plug it said 5v. I’m not sure about checking voltage with the sensor plugged into the actual plug. I’m still curious as to why it doesn’t throw a code when unplugged. There is no changes. Even with a scanner hooked up...
  9. M

    Cat 259D wiring schematic?

    Thank you I appreciate it!
  10. M

    Cat 259D wiring schematic?

    The reason I’m looking is I’m having problems with my coolant temp. The advanced display constantly reads 140°. Not sure if anybody has any insight into this? I’ve attached pictures I have 1 active event.
  11. M

    Cat 259D wiring schematic?

    I need a wiring schematic for a 2017 Cat 259D FTL08734. If anyone has one laying around I’d appreciate it!
Top