M motocrossed733 New Member Aug 16, 2007 79 0 0 Feb 20, 2009 #1 Feb 20, 2009 #1 On the back firewall of the 5.0 fox where does the orange ground wire supposed to hook up ??? What is the purpose, what will car do without it?
On the back firewall of the 5.0 fox where does the orange ground wire supposed to hook up ??? What is the purpose, what will car do without it?
asecretfile New Member Feb 11, 2007 228 0 0 Feb 20, 2009 #2 Feb 20, 2009 #2 motocrossed733 said: On the back firewall of the 5.0 fox where does the orange ground wire supposed to hook up ??? What is the purpose, what will car do without it? Click to expand... I believe that is your HEGO 02 ground wire with a ring terminal attached to the back of the head Without it your eec wont adjust the fuel at part throttle Not used at WOT
motocrossed733 said: On the back firewall of the 5.0 fox where does the orange ground wire supposed to hook up ??? What is the purpose, what will car do without it? Click to expand... I believe that is your HEGO 02 ground wire with a ring terminal attached to the back of the head Without it your eec wont adjust the fuel at part throttle Not used at WOT