Electrical, Electronics and Lighting

1,460 topics in this forum

1. 2013 pinnacle No ignition power

   By Jason Chernoff, September 13, 2023
   • 3 replies
   • 553 views
   • 
   • Joey Mack
   • September 13, 2023

2. 2000 mack RD688S cab wiring harness schematic

   By mcorm, August 30, 2023
   • 11 replies
   • 2.1k views
   • 
   • Joey Mack
   • September 7, 2023

3. R model high beam issue

   By Bill 88 R 688 ST, September 6, 2023
   • 5 replies
   • 631 views
   • 
   • doubleclutchinweasel
   • September 7, 2023

4. High beam problem

   By Dag061583, August 3, 2017
   • 6 replies
   • 9.1k views
   • 
   • Joey Mack
   • August 28, 2023

5. 2010 Mack CXU613 wiring diagram

   By Chase1210, August 26, 2023
   • 0 replies
   • 662 views
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   • Chase1210
   • August 26, 2023

6. 2016 pinnacle problems

   By nahc751, August 26, 2023
   • 0 replies
   • 492 views
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   • nahc751
   • August 26, 2023

7. CHR, E7 454, 1998 (wiring diagram)

   By Bs diesel, August 24, 2023
   • 0 replies
   • 479 views
   • 
   • Bs diesel
   • August 24, 2023

8. CHR, E7 454, 1998 6x4 (engine wiring diagram)

   By Bs diesel, August 22, 2023
   • 3 replies
   • 1.2k views
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   • Vmac3
   • August 23, 2023

9. 2-1 flash code

   By Ricky Beals, August 17, 2023
   • 6 replies
   • 1k views
   • 
   • Joey Mack
   • August 21, 2023

10. Fuel tank gauge question

    By Ricky Beals, August 15, 2023
    • 9 replies
    • 702 views
    • 
    • MACKS
    • August 16, 2023

11. Electrical malfunction light flashing

    By ghmallard, August 15, 2023
    • 0 replies
    • 379 views
    • 
    • ghmallard
    • August 15, 2023

12. Need some help identifying these

    By Ricky Beals, August 11, 2023
    • 10 replies
    • 941 views
    • 
    • Joey Mack
    • August 11, 2023

13. v-mac III code 5-3 and 5-5 with shutdown light and buzzer above 1500 rpm????

    By gumbiegumbie, July 27, 2023
    • 14 replies
    • 1.6k views
    • 
    • Joey Mack
    • August 10, 2023

14. 1999 R model Mack Fuse box diagram

    By badbob, October 14, 2014
    • 16 replies
    • 37.9k views
    • 
    • fjh
    • August 9, 2023

15. truck shuts off while driving or idling.

    By dirtys diesel, August 8, 2023
    • 3 replies
    • 518 views
    • 
    • JoeH
    • August 9, 2023

16. I need a 12 volt starter for my '48 KB-7 1 2 3 4

    By Joey Mack, March 5, 2023
    • 96 replies
    • 6.1k views
    • 
    • Geoff Weeks
    • August 6, 2023

17. 2017 GU713 No brake lights Can't find fuse box diagram

    By 40 Watt, August 3, 2023
    • 2 replies
    • 7.9k views
    • 
    • Mackpro
    • August 3, 2023

18. Fic module

    By Mike1, August 3, 2023
    • 0 replies
    • 445 views
    • 
    • Mike1
    • August 3, 2023

19. 30MT nose cone.

    By Geoff Weeks, July 24, 2023
    • 0 replies
    • 393 views
    • 
    • Geoff Weeks
    • July 24, 2023

20. Vmac III 9-2 lightning flash code

    By Shortdawg67, July 19, 2023
    • 15 replies
    • 1.5k views
    • 
    • doubleclutchinweasel
    • July 21, 2023

21. 2006 Vision headlight short

    By Jason Chernoff, July 5, 2023
    • 4 replies
    • 596 views
    • 
    • Mackpro
    • July 19, 2023

22. 1991 ch613 lights turn off with key on

    By excavator28, June 13, 2023
    • 2 replies
    • 542 views
    • 
    • excavator28
    • July 13, 2023

23. Relay number 2MR2149M

    By FBGNO, January 23, 2023
    • 4 replies
    • 923 views
    • 
    • FBGNO
    • July 11, 2023

24. 1975 R model, positive ground.

    By Full Floater, August 22, 2022
    • 13 replies
    • 2.4k views
    • 
    • dogg rescue
    • July 5, 2023

25. B-73 (B cab with Cummins / 24v start) wiring

    By chillywilly, July 5, 2023
    • 0 replies
    • 514 views
    • 
    • chillywilly
    • July 5, 2023