Electrical, Electronics and Lighting

1,499 topics in this forum

1. Engine Shut Down (Check Trans)

   By supershepy, January 10, 2010
   • 4 replies
   • 7.7k views
   • 
   • turckster
   • September 20, 2016

2. 2010 cxu613 Gauges not working

   By Cornshucker, September 6, 2016
   • 1 reply
   • 1.5k views
   • 
   • turckster
   • September 20, 2016

3. 4, 6 volt batteries, to 2, 12 volt batteries

   By Full Floater, September 19, 2016
   • 2 replies
   • 2.4k views
   • 
   • br549
   • September 19, 2016

4. R model interior light

   By Outbehindthebarn, September 18, 2016
   • 0 replies
   • 988 views
   • 
   • Outbehindthebarn
   • September 18, 2016

5. Rw vmac ll

   By abmac, August 30, 2016
   • 3 replies
   • 2k views
   • 
   • abmac
   • September 3, 2016

6. Stop engine light at high RPMS

   By osuagr13, August 29, 2016
   • 3 replies
   • 1.4k views
   • 
   • hatcity
   • August 31, 2016

7. 2010 Mack CHU A/C Expansion Valve

   By Rob G, August 29, 2016
   • 1 reply
   • 3.5k views
   • 
   • Rob G
   • August 29, 2016

8. 2000 Mack rd688s lighting bolt only comes on while driving

   By joey, August 25, 2016
   • 2 replies
   • 1.6k views
   • 
   • fjh
   • August 26, 2016

9. A/C Head Pressure Drops when air purges

   By Rob G, August 24, 2016
   • 2 replies
   • 1.2k views
   • 
   • Rob G
   • August 24, 2016

10. V-mac ll

    By Loco16, August 20, 2016
    • 0 replies
    • 1.4k views
    • 
    • Loco16
    • August 20, 2016

11. Headlight schematics

    By Dizzy, August 12, 2016
    • 0 replies
    • 1.2k views
    • 
    • Dizzy
    • August 12, 2016

12. Forgot how to flash code

    By JerryB, August 9, 2016
    • 4 replies
    • 2.2k views
    • 
    • fjh
    • August 9, 2016

13. Lower RPM how to adjust on MR688s

    By dedoKoko, July 13, 2016
    • 3 replies
    • 3.8k views
    • 
    • turckster
    • July 31, 2016

14. Led clearence lights fof a 1990 r d

    By mackey58, July 14, 2016
    • 6 replies
    • 2k views
    • 
    • mackey58
    • July 15, 2016

15. Mack Quantum fog/spot lights

    By Bart Bishop, July 13, 2016
    • 2 replies
    • 2k views
    • 
    • Bart Bishop
    • July 14, 2016

16. No power to bunk lights and fans

    By Bigred62, July 12, 2016
    • 2 replies
    • 2.6k views
    • 
    • Bigred62
    • July 14, 2016

17. 2009 Mack cxu613 no crank no fuel

    By Hatchmack, July 8, 2016
    • 1 reply
    • 2k views
    • 
    • fjh
    • July 9, 2016

18. 2007 CXP MP7 Not Starting Intermittently

    By green4440, July 2, 2016
    • 2 replies
    • 1.5k views
    • 
    • green4440
    • July 4, 2016

19. Desperately chasing wiring schematics

    By TropDoug, July 4, 2016
    • 1 reply
    • 1.5k views
    • 
    • fxfymn
    • July 4, 2016

20. 04 mack heater fan switch wiring getting hot.

    By ardakota, June 25, 2016
    • 7 replies
    • 3.5k views
    • 
    • MHfred
    • July 1, 2016

21. Fuse panel

    By markrandi, June 20, 2016
    • 2 replies
    • 1.8k views
    • 
    • markrandi
    • June 20, 2016

22. 04 Mack mru refuse truck fuse/relay layout

    By Zack, June 19, 2016
    • 0 replies
    • 1.9k views
    • 
    • Zack
    • June 19, 2016

23. Diagnostic codes

    By markrandi, June 13, 2016
    • 0 replies
    • 1.5k views
    • 
    • markrandi
    • June 13, 2016

24. Secondary air gauge starts at 50psi

    By c-mac, June 10, 2016
    • 2 replies
    • 1.9k views
    • 
    • c-mac
    • June 12, 2016

25. 77 R700 circuit breaker and relay diagram

    By ou812jk, June 11, 2016
    • 1 reply
    • 1.5k views
    • 
    • 41chevy
    • June 11, 2016