Electrical, Electronics and Lighting

1,456 topics in this forum

1. Charging question (R model)

   By Lmackattack, July 6, 2017
   • 4 replies
   • 2.4k views
   • 
   • Lmackattack
   • July 10, 2017

2. Electrical Parts Needed For 1949 Mack Firetruck

   By dmartino10, July 5, 2017
   • 0 replies
   • 797 views
   • 
   • dmartino10
   • July 5, 2017

3. Turn switch on 2011 Mack granite

   By Tony DeVille, June 28, 2017
   • 0 replies
   • 830 views
   • 
   • Tony DeVille
   • June 28, 2017

4. Need help with 2012 cxu613 pinnacle

   By bulldogmack42, June 26, 2017
   • 1 reply
   • 1.4k views
   • 
   • Underdog
   • June 26, 2017

5. cl dash lights

   By cxn613, June 20, 2017
   • 0 replies
   • 914 views
   • 
   • cxn613
   • June 20, 2017

6. Tachometer doesn't go above 1400 RPM,

   By Mack&Cheese, May 13, 2017
   • 4 replies
   • 1.6k views
   • 
   • j hancock
   • June 14, 2017

7. 1999 RD688S Dumptruck fuse panel diagram

   By BIGDOG66, June 12, 2017
   • 0 replies
   • 3.6k views
   • 
   • BIGDOG66
   • June 12, 2017

8. 95 ch600 electronic malfunction

   By Marshcattle, June 2, 2017
   • 3 replies
   • 2.4k views
   • 
   • MackMack613
   • June 10, 2017

9. trans temp sending unit wiring. mr688s with a allison 740

   By macattack, June 1, 2017
   • 2 replies
   • 1.2k views
   • 
   • macattack
   • June 2, 2017

10. Engine Wiring Harness Warranty??

    By TraceyB, May 26, 2017
    • 0 replies
    • 927 views
    • 
    • TraceyB
    • May 26, 2017

11. 1978 Mack R685ST turn signals not working

    By Trevor1978, May 22, 2017
    • 3 replies
    • 2k views
    • 
    • Trevor1978
    • May 23, 2017

12. 96 mr 688s does mack have a instr panel voltage regulator

    By macattack, May 16, 2017
    • 0 replies
    • 958 views
    • 
    • macattack
    • May 16, 2017

13. manual to electrionic speedo

    By superdog405, April 9, 2017
    • 2 replies
    • 997 views
    • 
    • Mackpro
    • May 15, 2017

14. Modern day fuel pump

    By markpwhit, May 2, 2017
    • 2 replies
    • 1.4k views
    • 
    • 41chevy
    • May 2, 2017

15. Wire diagram for 88 superliner needed

    By ranchhopper, April 16, 2017
    • 3 replies
    • 2.3k views
    • 
    • ranchhopper
    • May 1, 2017

16. GPS tracking for trucks

    By stephenphil, June 23, 2016
    • 3 replies
    • 2.1k views
    • 
    • Rockwell
    • May 1, 2017

17. Truck will not crank

    By rvi, April 28, 2017
    • 0 replies
    • 916 views
    • 
    • rvi
    • April 28, 2017

18. Disabling stop engine horn

    By osuagr13, April 5, 2017
    • 4 replies
    • 1.2k views
    • 
    • Timmyb
    • April 12, 2017

19. 2011 CXU VECU Trouble code

    By Keffer inc, April 10, 2017
    • 7 replies
    • 9.7k views
    • 
    • Keffer inc
    • April 10, 2017

20. No low beams

    By Hook n ladder 1, March 21, 2017
    • 9 replies
    • 8.2k views
    • 
    • Hook n ladder 1
    • April 10, 2017

21. Power Lock Fix

    By thundervalley, August 12, 2016
    • 1 reply
    • 1.6k views
    • 
    • Keffer inc
    • April 9, 2017

22. Looks like a new wire harness is in order

    By ranchhopper, April 4, 2017
    • 0 replies
    • 955 views
    • 
    • ranchhopper
    • April 4, 2017

23. 12V soleniod

    By rjk440, April 2, 2017
    • 3 replies
    • 1.6k views
    • 
    • rjk440
    • April 4, 2017

24. Mac cxu613 fan clutch

    By Brian Wise, March 24, 2017
    • 1 reply
    • 1.3k views
    • 
    • Mackpro
    • March 29, 2017

25. in dash computor

    By jane m barnett, March 23, 2017
    • 0 replies
    • 946 views
    • 
    • jane m barnett
    • March 23, 2017