Electrical, Electronics and Lighting

1,490 topics in this forum

1. Dashboard froze

   By Newbie Mack, January 30, 2021
   • 0 replies
   • 1.1k views
   • 
   • Newbie Mack
   • January 30, 2021

2. No license plate light

   By ciscoez, January 29, 2021
   • 0 replies
   • 863 views
   • 
   • ciscoez
   • January 29, 2021

3. New to me Mack truck

   By Phil P, January 21, 2021
   • 4 replies
   • 3.9k views
   • 
   • Phil P
   • January 25, 2021

4. Km. To miles

   By Diesel89, January 24, 2021
   • 4 replies
   • 1.5k views
   • 
   • tjc transport
   • January 25, 2021

5. 79 r model ground wire.

   By hicrop10, January 16, 2021
   • 5 replies
   • 1.6k views
   • 
   • terry
   • January 18, 2021

6. 2000 RD688S head light switch

   By ou812jk, December 31, 2020
   • 0 replies
   • 1.1k views
   • 
   • ou812jk
   • December 31, 2020

7. 2011 GU813 light trouble

   By j_martell, January 14, 2014
   • 7 replies
   • 6.4k views
   • 
   • TomsBobcat
   • December 29, 2020

8. RD688S wiring diagram

   By FIREMAN, December 26, 2020
   • 2 replies
   • 2.1k views
   • 
   • FIREMAN
   • December 27, 2020

9. R model circuit breakers.

   By Timmyb, December 15, 2020
   • 10 replies
   • 3.2k views
   • 
   • mrsmackpaul
   • December 23, 2020

10. X With Circle Around And Ligthning Warning

    By yolita, August 15, 2010
    • 10 replies
    • 112.7k views
    • 
    • Piwii
    • December 18, 2020

11. air buzzer on when signals on

    By Brad Carpenter, August 14, 2020
    • 6 replies
    • 2.6k views
    • 
    • Joey Mack
    • December 15, 2020

12. RD688S diag port

    By Brad Carpenter, August 26, 2020
    • 3 replies
    • 2.2k views
    • 
    • Joey Mack
    • December 15, 2020

13. 2006 cv713

    By Wdavis, December 8, 2020
    • 1 reply
    • 1.8k views
    • 
    • Joey Mack
    • December 8, 2020

14. 79 r model heater switch

    By hicrop10, December 5, 2020
    • 1 reply
    • 1.1k views
    • 
    • KKERGALL
    • December 6, 2020

15. 2002 CH Mack help

    By Jomorisn, November 22, 2020
    • 1 reply
    • 1.8k views
    • 
    • fjh
    • November 22, 2020

16. 2002 Mack Ch 427 6-4 codeJ1939 link

    By Jomorisn, November 21, 2020
    • 1 reply
    • 2k views
    • 
    • 41chevy
    • November 21, 2020

17. 2003 CH613 Fuel Gauge-how does it work electrically?

    By Dakota, November 17, 2020
    • 2 replies
    • 3k views
    • 
    • Dakota
    • November 21, 2020

18. Cummins big cam problem HELP!!

    By David1994, May 15, 2020
    • 9 replies
    • 3.5k views
    • 
    • slingblade
    • November 15, 2020

19. 85 model rws 763,lost power to the brake light switch,circuit breakers good

    By slingblade, November 14, 2020
    • 0 replies
    • 868 views
    • 
    • slingblade
    • November 14, 2020

20. Electrical Short no instruments or throttle

    By Eg4bama, November 9, 2020
    • 0 replies
    • 992 views
    • 
    • Eg4bama
    • November 9, 2020

21. 1999 CH612 showing electronic malfinction code & engine shutdown warnings

    By steel_captain, November 2, 2020
    • 3 replies
    • 1.6k views
    • 
    • Sanhell
    • November 6, 2020

22. Constant draw

    By Bliue dm, October 13, 2020
    • 6 replies
    • 1.8k views
    • 
    • fjh
    • October 17, 2020

23. Power door lock hook up

    By bulldogrider, October 11, 2020
    • 4 replies
    • 1.4k views
    • 
    • Freightrain
    • October 14, 2020

24. HELP 2013 Mack Pennicle Fuse Box Diagram

    By Eric B, August 3, 2020
    • 1 reply
    • 1.2k views
    • 
    • bulldogrider
    • October 11, 2020

25. Diff lock switch power

    By JKuhl, October 6, 2020
    • 0 replies
    • 1.1k views
    • 
    • JKuhl
    • October 6, 2020