Electrical, Electronics and Lighting

1,424 topics in this forum

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

   By macattack, June 1, 2017
   • 2 replies
   • 1.1k views
   • 
   • macattack
   • June 2, 2017

2. Engine Wiring Harness Warranty??

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

3. 1978 Mack R685ST turn signals not working

   By Trevor1978, May 22, 2017
   • 3 replies
   • 1.8k views
   • 
   • Trevor1978
   • May 23, 2017

4. 96 mr 688s does mack have a instr panel voltage regulator

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

5. manual to electrionic speedo

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

6. Modern day fuel pump

   By markpwhit, May 2, 2017
   • 2 replies
   • 1.2k views
   • 
   • 41chevy
   • May 2, 2017

7. Wire diagram for 88 superliner needed

   By ranchhopper, April 16, 2017
   • 3 replies
   • 2k views
   • 
   • ranchhopper
   • May 1, 2017

8. GPS tracking for trucks

   By stephenphil, June 23, 2016
   • 3 replies
   • 1.9k views
   • 
   • Rockwell
   • May 1, 2017

9. Truck will not crank

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

10. Disabling stop engine horn

    By osuagr13, April 5, 2017
    • 4 replies
    • 1.1k views
    • 
    • Timmyb
    • April 12, 2017

11. 2011 CXU VECU Trouble code

    By Keffer inc, April 10, 2017
    • 7 replies
    • 8.6k views
    • 
    • Keffer inc
    • April 10, 2017

12. No low beams

    By Hook n ladder 1, March 21, 2017
    • 9 replies
    • 7.3k views
    • 
    • Hook n ladder 1
    • April 10, 2017

13. Power Lock Fix

    By thundervalley, August 12, 2016
    • 1 reply
    • 1.3k views
    • 
    • Keffer inc
    • April 9, 2017

14. Looks like a new wire harness is in order

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

15. 12V soleniod

    By rjk440, April 2, 2017
    • 3 replies
    • 1.2k views
    • 
    • rjk440
    • April 4, 2017

16. Mac cxu613 fan clutch

    By Brian Wise, March 24, 2017
    • 1 reply
    • 1.2k views
    • 
    • Mackpro
    • March 29, 2017

17. in dash computor

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

18. Paralell series switch nightmare 1 2

    By beatngu, November 17, 2013
    • 36 replies
    • 7.1k views
    • 
    • 41chevy
    • March 19, 2017

19. Window washer not working

    By Daveinbuffalo, March 13, 2017
    • 4 replies
    • 2.2k views
    • 
    • Glensts
    • March 15, 2017

20. Dead CoPilot

    By Jamkar, March 12, 2017
    • 2 replies
    • 919 views
    • 
    • Jamkar
    • March 12, 2017

21. Positive ground truck plugging into modern trailer

    By Mack man 1973, February 21, 2017
    • 4 replies
    • 1.7k views
    • 
    • tjc transport
    • March 10, 2017

22. Marker Lamps

    By markpwhit, February 16, 2017
    • 6 replies
    • 1.6k views
    • 
    • Mike
    • March 10, 2017

23. 1977 Mack Super-Liner reverse lights

    By Hwncountryboy, March 4, 2017
    • 1 reply
    • 832 views
    • 
    • thomastractorsvc
    • March 8, 2017

24. 99 mack rd688sx speedo

    By dsltch, March 5, 2017
    • 2 replies
    • 1k views
    • 
    • dsltch
    • March 5, 2017

25. fuses and brakers

    By chana1634, February 21, 2015
    • 4 replies
    • 4.8k views
    • 
    • chana1634
    • February 27, 2017