Recent content by Old Blue Coupe

I got an ECM to try no luck....so I am very frustrated ...I ordered a new hypertech prom ..thats was in ecm when purchased car installed new ..everything works this post may help other guys this problem Old Blue Coupe

I just recently purchased factory service manual and wiring manual. I used the diagnosis trouble tree and it came up with ECM is the problem - it is not turning on the ground circuit that supplies ground to the coolant relay. I am currently looking for an ECM to try before I actually buy one...

in previous post should read..green/white does not make ground when key is on

primary cooling fan does not come on ;;have replaced fan motor-fuseable link ....green white does make ground....when key is on...if I ground grn /white it will run ecm is to make ground..ecm no good? please help pulling hair out:w