94 chev 2500 6.5l died
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07-17-2022, 11:14 AM
Join Date: Jul 2022
Location: Washington State
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94 chev 2500 6.5l died
1994 chevy 2500 6.5l MT
Truck started started to drive drove a ways and shut down.
When trying to restart no glow plug wait light.
after going through glow plug wiring found yellow (505) wire from PCM/ECU not receiving signal.
Checked ground, 12+ const, and 12v ign at PCM.
We even replaced Glow Plug Relay and PCM just incase.
So far the PCM is not sending signal to GPRelay or Fuel Pump.
Just got done cleaning all the grounds I could find.
Where should I look next?
What would tell PCM to shut off truck and not allow it to start?
Truck started started to drive drove a ways and shut down.
When trying to restart no glow plug wait light.
after going through glow plug wiring found yellow (505) wire from PCM/ECU not receiving signal.
Checked ground, 12+ const, and 12v ign at PCM.
We even replaced Glow Plug Relay and PCM just incase.
So far the PCM is not sending signal to GPRelay or Fuel Pump.
Just got done cleaning all the grounds I could find.
Where should I look next?
What would tell PCM to shut off truck and not allow it to start?
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