Howell still blaming ICU or 10% chance GM box Troy (@Howell) told me how to check for fuel pulse when I get a shut down.. he even admitted it will be tough to do.. have to disconnect white wire from tach and tap with test light to + battery terminal to replicate distributor action.. I have a NOS Mopar box.. might throw that on tonight if for no other reason shits and giggles.. with an independent ground? I want to re route my howell "white wire" to a better place where it might not get interference from heat or RF.. what is the best underhood wire for hi temps? hate to try this.. parts Jeeps? might try and oldie but a goodie..