Found the box with multiple relays and no marking as to which is the Glow Plug relay
Re: Found the box with multiple relays and no marking as to which is the Glow Plug relay
As commented the glow plug relay to plug is a 3BY (Black with Yellow) lead - not through a relay. The power is a 3B (Black) in Isuzu Elf NKR Engine or JMC Carrying Truck. I hope it is the same color coding as over here.
The wire that runs to the glo-plugs comes from the relay and as it is a heavy gauge wire (colour coded ) try tracing it back to a relay. IT may be completely separate to all the others.
SOURCE: Glow PLugs and Relays
Good Day
The glow plug relays are located on the right front shock tower. Remove the cover and you will see two relays If I remember I think they are round, but not sure.
Please let me know how you make out and if there is anything else that I might be able to help you with.
Cheers
SOURCE: Well!! I have a chevy van express 3500 turbo
are you sure it is not a fuel problem,check to make sure that your getting fuel,could be the solenoid on the fuel pump,does it smoke as your cranking it.
With most relays, you have 4 wires. One is power to the component the relay controls, one is a ground to the relay magnet, one is power to the magnet, and the fourth goes to the component, in this case the glow plugs. The ground usually comes from the computer.
With the key on you should have power to two terminals and you would jumper the hot terminal to the glow plug terminal. Or use a test light or meter to check for power on the glow plug circuit.
SOURCE: 1990 chevrolet 6.2 diesel no glow plug lights no fuel to the injectors help
You most likely need to replace the Glow plug controller.
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