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Pcm ground connector

  • Thread starter Thread starter fox1990
  • Start date Start date Jan 10, 2026
F

fox1990

New Member
Jan 10, 2026
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Moreno Valley, CA, USA
Jan 10, 2026
#1
  • Jan 10, 2026
  • #1
Im missing my connection for the pcm ground that connection the the negative battery seems to be cut off can I just splice the wires to The negative cable or do I have to Get the connector can some one help
 

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Mustang5L5

That is…until I whipped out my Bissell
Mod Dude
Feb 18, 2001
43,179
17,881
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Massachusetts
Jan 12, 2026
#2
  • Jan 12, 2026
  • #2
It actually connects to chassis ground, and the battery neg together, which is critical at preventing ground loops.

Here's a repop cable, but you can replicate it as long as you connect it to both chassis and batt neg

https://www.cjponyparts.com/battery-ground-cable-negative-with-computer-ground-quick-disconnect-mustang-1987-1993/p/BC26/?year=1993&msclkid=c12c23993a8a163249724afc244081da&utm_source=bing&utm_medium=cpc&utm_campaign=Core%20Vehicles%20Shopping%20(Tier%202)&utm_term=4583451683749158&utm_content=Core%20Vehicles%20Shopping%20(Tier%202)
 
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