B414 glow plugs still not right

Installed 4 new glow plugs and new indicator. Indicator gets white hot in 2-3 seconds. Disconnect last plug ground and nothing happens. Wired switch to indicator, to top of 1 plug, bottom of 1 to bottom of 2,top of 2 to top of 3, bottom of 3 to bottom of 4 and top of 4 to ground. Neg ground now but what can be wrong? Please help, Thanks, Don from Canada
 
Been a while since I work on one of those. Are your insullators still good between your top and bottom straps? Just make sure that they are not touching each other.
 
Sounds like the output of the indicator is shorted to ground...that's the only way it can get that hot (assuming its the right one, of course). Did you remember to put the insulator ring between the top & bottom terminals on the glow plugs?

Look carefully at the terminals on the glow plugs, and make sure they're assembled correctly. There should be no contact between the wiring on the top & bottom terminals.

The tractor was originally positive ground, but the glow plugs could care less what the polarity is.

Here's a link to some troubleshooting info.

Keith
poke here
 
All parts are new and if I disconnect the last strap to ground nothing happens at all so I can't have a ground elswhere or it would still burn. Thanks,Don
 
Sounds like the indicator is not matched to the plugs. If you take them all out & hook together, do the plugs get hot as the indicator shows? I doght (sp) it. Run a resistance test on each plug & indicator & see if it tells anything.
 
removing ground on #4 = no current flow, indicator can't be shorted to ground, none of the plugs are shorted to ground

white hot indicator = excessive current flow, could one of your plugs be shorted "in" terminal to "out" terminal??
 
If you just want them to work and you have sense enough to count to 5 or 6 and let go of the button, wire them straight. I replaced the slow glow system on my D series (same principal) by a wire from battery+ to a pushbutton switch, from the switch to a junction strip and a seperate wire to each plug from the strip. Forget the indicator and the jumpers between GP's. zero degree temp and it takes 5-7 seconds of preheating.
The experts are gonna chime in and tell ya what an idiot I am, but the proof's in the pudding.
Dave
 

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