Hiya all in the Mustang world not new to them put new to the sn95 platform have owned several foxs. So anyways I obtained 95 gt in a trade few months back and been dealing with dudes hacked ass work. So at this point I am chasing my tail I am 99% sure ccrm is bad seeing I have no volt output to stock fan connector I installed two slimlines adjustable fan controller to solve this at first. Well at first after inspection I found car had blown headgasket as well could be the no cooling fan thing huh lol. Well long story short I tore motor down short block installed GT40x heads Crane 1.6 pedestal mount roller rockers , Crane Cam High Energy came stage 1, Ford Racing Intake gaskets,Head Gaskets , ARP Headbolts , Fox Cobra upper and lower intake , AccuFab TB , Pro-M mass air 24lb injectors Adjustable FPR matched set off my fox, BBK shorties new O2 sensor, New TPS, New IAC, All new MSD digital 6, MSD Coil , wire cap rotor. Car is untuned and would rather not bring it to tuner as a basket case. So after all that I am getting a EEC code 543,177 I found some hacked up wiring in the harness to drivers o2 harness it was wire with grey wire reversed. So my car runs but at times breaks up in lower rpms and I know how set timing spout out at operating temp But if i set timing to 10deg drive home 20 miles from work it will run 195-210 and when I check timing it will be advanced to 20deg back it off do same drive again re check 0 deg wtf. It has stock distributor is the pip bad the ccrm or ecm or both fubard ? Any help would be ****ing awesome!!!!