Electrical, Electronics and Lighting

1,450 topics in this forum

1. 1999 Mack MR688S tail lights/brake lights stopped working

   By Chad_Mack7, January 28, 2022
   • 11 replies
   • 1k views
   • 
   • JoeH
   • February 9, 2022

2. MR 688 electrical trouble shooting. No crank 1 2 3

   By Ryanp, February 1, 2022
   • 53 replies
   • 5.7k views
   • 
   • JoeH
   • February 9, 2022

3. Sensor wire treating and gauge testing

   By usrjcro11, February 1, 2022
   • 5 replies
   • 899 views
   • 
   • usrjcro11
   • February 9, 2022

4. 1994 MACK ch 613 headlights stay on all time

   By usrjcro11, February 7, 2022
   • 3 replies
   • 1.6k views
   • 
   • usrjcro11
   • February 9, 2022

5. 2004 mack vision with ecu update warning

   By The Nitro, February 6, 2022
   • 0 replies
   • 516 views
   • 
   • The Nitro
   • February 6, 2022

6. Reverse mute disable

   By DanToby91, February 6, 2018
   • 2 replies
   • 10.7k views
   • 
   • OriginalGarbageman
   • February 3, 2022

7. 95 CH613 Relay Panel Layout?

   By staleysteel, March 13, 2014
   • 3 replies
   • 4.8k views
   • 
   • Heckard
   • February 2, 2022

8. Brake lights

   By Robert Mayhan, January 25, 2022
   • 0 replies
   • 742 views
   • 
   • Robert Mayhan
   • January 25, 2022

9. Speedometer calibration RD688

   By Jimmy825, January 21, 2022
   • 5 replies
   • 1.7k views
   • 
   • Joey Mack
   • January 21, 2022

10. CXU temp and mode controls

    By E5Farmer, January 14, 2022
    • 7 replies
    • 2k views
    • 
    • E5Farmer
    • January 17, 2022

11. VMAC1 to VMAC2 conversion

    By 880joe, December 20, 2021
    • 2 replies
    • 950 views
    • 
    • 880joe
    • December 20, 2021

12. LED headlights

    By BKrois, March 24, 2016
    • 16 replies
    • 4k views
    • 
    • grayhair
    • December 17, 2021

13. 2009 CU713 no marker lights, no low beams only high beams

    By Nightwolf769, October 6, 2021
    • 1 reply
    • 1.1k views
    • 
    • Clifford the big red dog
    • December 16, 2021

14. Trailer Stop Lights

    By Clifford the big red dog, December 16, 2021
    • 5 replies
    • 887 views
    • 
    • Clifford the big red dog
    • December 16, 2021

15. Heated windshild 1 2

    By Ton, December 12, 2021
    • 47 replies
    • 4.6k views
    • 
    • Ton
    • December 15, 2021

16. blink code 3-1

    By Darcy1, October 1, 2015
    • 3 replies
    • 3.6k views
    • 
    • Joey Mack
    • December 11, 2021

17. Tail light robbery at Mack..

    By MACKS, November 20, 2021
    • 14 replies
    • 1.3k views
    • 
    • JoeH
    • December 8, 2021

18. Can anyone identify this part on ac line

    By Ricky Beals, December 4, 2021
    • 14 replies
    • 1.3k views
    • 
    • Joey Mack
    • December 4, 2021

19. 2011 cxu613 ac / heater blower is not working

    By Keffer inc, May 25, 2017
    • 6 replies
    • 9.3k views
    • 
    • Sid pfeifer
    • November 29, 2021

20. 83 MH600 Mack tachometer doesn't work...looking for info

    By 78KWguy, November 25, 2021
    • 4 replies
    • 1.2k views
    • 
    • 78KWguy
    • November 27, 2021

21. R 685ST transmission swap/electric speedometer

    By fastboater, September 17, 2021
    • 2 replies
    • 1.3k views
    • 
    • 78KWguy
    • November 25, 2021

22. No reverse light or alarm.

    By Hodgson Concrete, April 23, 2015
    • 3 replies
    • 4.9k views
    • 
    • Matt bryant
    • November 22, 2021

23. Horton Fan

    By Talca, August 22, 2010
    • 22 replies
    • 9k views
    • 
    • Brendan leahy
    • November 16, 2021

24. 99 CH613 Sleeper Controls

    By ckstreetman, November 9, 2021
    • 3 replies
    • 942 views
    • 
    • Joey Mack
    • November 12, 2021

25. Intermittent Electrical Problem

    By Gravelguy413, November 1, 2021
    • 12 replies
    • 1.1k views
    • 
    • Joey Mack
    • November 7, 2021