Help with 6.2L Diesel

[bowtie_pasta]

1984 C30 series truck. Won't start, glowplugs not coming on. We've already changed the glowplug controller/switch and glow plug relay, but still no go. What else can it be? Any diesel gurus out there?

 

This truck has been laid up for weeks, we need help!

 

Thanks,

 

Roland

[jake_33]

[i had the sameprob wit my 86 but i just bypassed the contoler and put it on a button its much easier cause now i know its got direct power and ya good luck anyway

[bowtie_pasta]

Hey, thanks for the reply!

 

That might be an idea at this point just to get it running. I guess you'd just have to be careful with a manual switch so you don't burn the plugs out.

 

Roland

[Jacqson]

Hey, thanks for the reply! 

 

That might be an idea at this point just to get it running.  I guess you'd just have to be careful with a manual switch so you don't burn the plugs out.

 

Roland

 

<{POST_SNAPBACK}>

 

 

 

Excellent point, I had a 91 3/4 ton Suburban witha 6.2 in it when the Glow plug controller went haywire and left the glow plugs on to long. To make a long story short: The #6 glow plug broke off, fell into the engine while it was running and I had to replace the Piston, Rod Bearing and have the 2 valves replaced and the Glow plug Chamber in the head repaired. It cost me $2700 to fix. This is why I would stay away from the manual glow plug thing and try and correct the problem to have it work the way it was designed.

[jake_33]

ya a manual switch could b bad but unlikely as long as u dont hold the button for more then 7 seconds max and if u go for that make sure to put the button where it cannont easily b bumped