Electrical, Electronics and Lighting

1,468 topics in this forum

1. Climate control system not working

   By kkheitman, October 17, 2021
   • 5 replies
   • 1.9k views
   • 
   • kkheitman
   • October 18, 2021

2. Electric questions.

   By Jamesc83, October 13, 2021
   • 1 reply
   • 777 views
   • 
   • Joey Mack
   • October 15, 2021

3. Power to A/C AND FAN

   By Florida Pumper, October 12, 2021
   • 1 reply
   • 775 views
   • 
   • Florida Pumper
   • October 12, 2021

4. Chu wiring harness

   By TimberJack, October 12, 2021
   • 0 replies
   • 760 views
   • 
   • TimberJack
   • October 12, 2021

5. Truck voltage problem

   By Jason Chernoff, October 10, 2021
   • 4 replies
   • 1.5k views
   • 
   • Jason Chernoff
   • October 11, 2021

6. 07’ Mack CXU 613 Fuse Problem

   By Danthemanzee, August 18, 2020
   • 2 replies
   • 1.1k views
   • 
   • mrgumby
   • September 24, 2021

7. Low power lightning bolt

   By Granger65, September 18, 2021
   • 1 reply
   • 1k views
   • 
   • Swishy
   • September 22, 2021

8. Need help please! No side marker light on 04 cx613 but both turn signals work fine.

   By Larry H, September 19, 2021
   • 13 replies
   • 1.8k views
   • 
   • Joey Mack
   • September 20, 2021

9. Midliner CS300p Turn signals

   By TTdigger, September 14, 2021
   • 2 replies
   • 1k views
   • 
   • mrsmackpaul
   • September 14, 2021

10. Mac cxu613 fan clutch

    By Brian Wise, March 24, 2017
    • 5 replies
    • 5.7k views
    • 
    • Ballo70
    • September 10, 2021

11. '99 MACK RD688S, E7 ENGINE W/ VMAC III LOW POWER PROBLEMS

    By Monkey with a wrench, September 2, 2021
    • 4 replies
    • 2.9k views
    • 
    • Monkey with a wrench
    • September 9, 2021

12. cv 713 two outside cab marker lights not working

    By danovak, October 30, 2014
    • 10 replies
    • 14.3k views
    • 
    • Sandy220
    • September 2, 2021

13. 05 chn 613 code 41 no speedometer no power.

    By HER2005, August 31, 2021
    • 0 replies
    • 927 views
    • 
    • HER2005
    • August 31, 2021

14. 95 Mack CH Tractor Brake lights out

    By john510, August 21, 2021
    • 2 replies
    • 1.1k views
    • 
    • john510
    • August 26, 2021

15. Trailer marker lights relay

    By vinny933, August 24, 2021
    • 1 reply
    • 1.2k views
    • 
    • vinny933
    • August 24, 2021

16. Mack CHU Daytime running lights relay

    By Glensts, August 24, 2021
    • 0 replies
    • 1.6k views
    • 
    • Glensts
    • August 24, 2021

17. Mack RD 690 S

    By tom1642, February 9, 2013   

    • SPEEDOMETER PROBLEM
    • 12 replies
    • 19.5k views
    • 
    • Vmac3
    • August 21, 2021

18. Positive or negative ground?

    By mackone, August 19, 2021
    • 2 replies
    • 920 views
    • 
    • mackone
    • August 19, 2021

19. Gauge lights not working

    By 88R91RD, September 14, 2014
    • 13 replies
    • 12.9k views
    • 
    • Davidmc
    • August 19, 2021

20. Mack CH, CHN, CHU LED HEADLIGHTS CUSTOM!!

    By 96bulldogpower, September 24, 2018
    • 12 replies
    • 13.7k views
    • 
    • RedEyeDog
    • August 17, 2021

21. Turn signals & 4 ways stop working

    By rickm688, August 16, 2021
    • 0 replies
    • 755 views
    • 
    • rickm688
    • August 16, 2021

22. Are these 2 issues related? 1 2 3 4

    By Dmurph2016, June 19, 2021
    • 84 replies
    • 10.7k views
    • 
    • Dmurph2016
    • August 15, 2021

23. Strange box behind instrument cluster

    By Dalton1, July 15, 2021
    • 5 replies
    • 1.4k views
    • 
    • Dirtymilkman
    • August 6, 2021

24. 2002 Mack Ch 427 6-4 codes Help

    By Jomorisn, August 3, 2021
    • 2 replies
    • 989 views
    • 
    • 880joe
    • August 4, 2021

25. 03 Granite CV713 Low air buzzer wiring

    By DieselDog5.9, July 19, 2021
    • 1 reply
    • 1.5k views
    • 
    • MACKX
    • July 31, 2021