Alternator Wiring Diagram/Wire Colors?

Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. If you click them and make a purchase, we may earn a small commission.

Aaron407

Member
Joined
Jul 14, 2022
Posts
20
Reaction score
5
Location
Saskatchewan
Hey everyone! My 2015 recently started kicking out a 'check charging system' warning. I checked the voltage while it was running and it showed ~14.5V, so I figured the alternator was good and the original battery just needed to be replaced (which obviously put in its time). A new battery didn't fix it, and I ultimately found that the fuse for the alternator voltage reference was blown. I replaced that assuming it would blow again since fuses don't blow for no reason, and it lasted about a day of driving before it popped again. So, my next step is to trace out the wiring to find where there might be some damage, but I can't find a wiring diagram with the color coding. Does anyone know what color the wire is that provides the alternator voltage reference from fuse 26 under the hood?

Any help would be appreciated!
 

HazBeen

Full Access Members
Joined
Jan 30, 2022
Posts
352
Reaction score
416
Location
Great Lakes
@Aaron407 - Requested information attached below as PDF documents...

Good luck!
 

Attachments

  • Charging System - Wiring Diagram - 2015 Expedition.pdf
    109.4 KB · Views: 11
  • Inline Connector C1033 - Pinout Diagram - 2015 Expedition.pdf
    222.9 KB · Views: 9
  • Inline Connector C1033 - Location Illustration - 2015 Expedition.pdf
    329.5 KB · Views: 6
  • Generator - Connector C102B Pinout Diagram - 2015 Expedition.pdf
    140.7 KB · Views: 6
  • Generator - Connector C102B Location Illustration - 2015 Expedition.pdf
    324.9 KB · Views: 7
Top