[CH302K]

I have 1993 f350.When I start it cold,I get the wait message.When it's warmed up and going to start it,The message does not come up and I get a slow ticking noise under the hood.
I'm new to diesels and could use some help.
thanks

 

[standbypowerguy]

Sounds like the glow plug relay is doing its job. The warmer the engine, the shorter the WTS (wait to start) light interval is. Just because the light doesn't come on doesn't mean the GP (glow plug) relay isn't cycling, just that it's OK to crank it. The relay senses the resistance of the GPs which varies with temperature, and will cycle them until combustion warms them up enough that they're not needed.

Are you having starting trouble, or does it start OK?

 

[awardmont]

clicking after starting

My 94 with 285K does the same thing, it started at about 250K, the amp also fluctuates at every tick, I wouldnt worry unless you see smoke or wire look brittle