Electrical, Electronics and Lighting

1,264 topics in this forum

1. Climate control system not working

   By kkheitman, Sunday at 06:58 PM
   • 5 replies
   • 105 views
   • 
   • kkheitman
   • Monday at 01:09 AM

2. Electric questions.

   By Jamesc83, October 13
   • 1 reply
   • 133 views
   • 
   • Joey Mack
   • Friday at 11:38 PM

3. Power to A/C AND FAN

   By Florida Pumper, October 12
   • 1 reply
   • 66 views
   • 
   • Florida Pumper
   • October 12

4. Chu wiring harness

   By TimberJack, October 12
   • 0 replies
   • 53 views
   • 
   • TimberJack
   • October 12

5. Truck voltage problem

   By Jason Chernoff, October 10
   • 4 replies
   • 97 views
   • 
   • Jason Chernoff
   • October 11

6. 2009 CU713 no marker lights, no low beams only high beams

   By Nightwolf769, October 6
   • 0 replies
   • 99 views
   • 
   • Nightwolf769
   • October 6

7. Mack Anthem front turn signals/4-way flashers not working need help please

   By Rich Banwait, September 25
   • 0 replies
   • 169 views
   • 
   • Rich Banwait
   • September 25

8. 07’ Mack CXU 613 Fuse Problem

   By Danthemanzee, August 18, 2020
   • 2 replies
   • 306 views
   • 
   • mrgumby
   • September 24

9. Low power lightning bolt

   By Granger65, September 18
   • 1 reply
   • 163 views
   • 
   • Swishy
   • September 22

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

    By Larry H, September 19
    • 13 replies
    • 209 views
    • 
    • Joey Mack
    • September 20

11. R 685ST transmission swap/electric speedometer

    By fastboater, September 17
    • 1 reply
    • 144 views
    • 
    • theakerstwo
    • September 17

12. Midliner CS300p Turn signals

    By TTdigger, September 14
    • 2 replies
    • 145 views
    • 
    • mrsmackpaul
    • September 14

13. Mac cxu613 fan clutch

    By Brian Wise, March 24, 2017
    • 5 replies
    • 1.9k views
    • 
    • Ballo70
    • September 10

14. '99 MACK RD688S, E7 ENGINE W/ VMAC III LOW POWER PROBLEMS

    By Monkey with a wrench, September 2
    • 4 replies
    • 260 views
    • 
    • Monkey with a wrench
    • September 9

15. cv 713 two outside cab marker lights not working

    By danovak, October 30, 2014
    • 10 replies
    • 7.8k views
    • 
    • Sandy220
    • September 2

16. 05 chn 613 code 41 no speedometer no power.

    By HER2005, August 31
    • 0 replies
    • 142 views
    • 
    • HER2005
    • August 31

17. 95 Mack CH Tractor Brake lights out

    By john510, August 21
    • 2 replies
    • 257 views
    • 
    • john510
    • August 26

18. Trailer marker lights relay

    By vinny933, August 24
    • 1 reply
    • 178 views
    • 
    • vinny933
    • August 24

19. Mack CHU Daytime running lights relay

    By Glensts, August 24
    • 0 replies
    • 121 views
    • 
    • Glensts
    • August 24

20. Mack RD 690 S

    By tom1642, February 9, 2013   

    • SPEEDOMETER PROBLEM
    • 12 replies
    • 14.5k views
    • 
    • Vmac3
    • August 21

21. 2014 Pinnacle with MP7 SID 21 FMI 2

    By bgblk1968, August 10
    • 1 reply
    • 195 views
    • 
    • Vmac3
    • August 20

22. Positive or negative ground?

    By mackone, August 19
    • 2 replies
    • 150 views
    • 
    • mackone
    • August 19

23. Gauge lights not working

    By 88R91RD, September 14, 2014
    • 13 replies
    • 7.8k views
    • 
    • Davidmc
    • August 19

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

    By 96bulldogpower, September 24, 2018
    • 12 replies
    • 6.9k views
    • 
    • RedEyeDog
    • August 17

25. Turn signals & 4 ways stop working

    By rickm688, August 16
    • 0 replies
    • 115 views
    • 
    • rickm688
    • August 16