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Bad ECU?? 94 Bronk 5.0L MAF E4OD

95F350XL

Master Junk Tech
3,000
49
Belle Mead NJ
I did flip the battery but the battery terminals broke off lol, but that was like the 2nd day I had the bronk, and its been running strong since then.
 

95F350XL

Master Junk Tech
3,000
49
Belle Mead NJ
Well i got a 94 bronk as my mud truck. Ran awesome for a few months, mostly jumping the piss outta it. Well I was doing a huge jump and then I landed and it stalled out. No fuel pump. So I checked for power at the intertia switch none, ran a power wire too the swith to see if it would work. Yess it runs, but still doesnt start. Started to ck fuses and relays. Good, checked for power and ground to the ECC relay and Fuel pump relay. I have power but was losing it goin to the ecu, found corroded wire at ecu, got power at ecu now, still no start, fuel pump still not running, LB/O is the ecu ground sig, for the fuel pump relay, wire good to the ecu, if I add ground then the pump runs, still no start, have to ck for injector pulse and spark, but thats hard alone. Anyone think bad PCM also?
 

dustybumpers

don't play well w others
3,291
188
In my own world
I did that 1 time in my bog truck, the battery had jumped up and shorted out on the hood, causeing the ground wire over by the heater box to fry in two. replaced that wire, and all problems resolved
 

95F350XL

Master Junk Tech
3,000
49
Belle Mead NJ
Bronk is up and running, pin 40 an 60 were pulled outta the ECU connector, so I put em back it and it fired right up. YESS TIME FOR MORE BEATING
 

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