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cat 420d charging issue

doctordiesel$ ยท 2025-09-21 19:27

02 cat 426d backhoe need a diagram for the charging system the 3 pin connector on the regulator has no power feed on any of the terminals looking to figure out whats the terminal function

Replies4
  1. #1Simon C2025-09-21 20:07

    Best post your Serial number as there may be more than one schematic for 420D machines. Should be fairly simple to figure out with the schematic. Nige and maybe a couple other guys might have. Simon C

  2. #2doctordiesel$2025-09-22 08:32

    ill get the serial number

  3. #3doctordiesel$2025-09-22 13:33

    id num cat0420dkfdp01948/serial num 7bj50025 under the serial number box their is a m001147

  4. #4Nige2025-09-22 14:29

    Check your message inbox for an electrical schematic.