364 glow plug conversion

Phil Tibbetts

Well-known Member
Can someone point me to the place that sells the Bosch glow plug replacement kit for the BD154 engines. I read about it somewhere but can't find it again. I think the kit with 4 glow plugs was around $125.
 
You don't need a kit. Just four glow plugs, some wire, relay, and a little skill. The "kits" are made for cars like Mercedes 190Ds and come with controllers. With the new 12 volt fast-heat, regulated (self-limiting) plugs - you don't need a controller when installed in your tractor.

I've converted several. My preference (but not the only way to do it) is to wire in a relay, energized by a push-button. 100-150 amp relay will cost you $10-$15. Something like Ford used for energizing starter motors is fine. Run a short heavy wire from battery-positive to the relay big terminal (one of two). Then the other big terminal has four 10 - 12 gauge wires attached to it. One to each glow-plug. I make a bushing with a washer that goes into the old glow-plug indicator hole in the dash and stick in a 12 volt indicator light.
 
Thanks for the info. I was wondering what I needed to get them hooked up. How long do I need to turn them on before I try to start the tractor? I've heard everything from 15 secs to 2 mins.
 
(quoted from post at 01:13:42 11/03/14) Thanks for the info. I was wondering what I needed to get them hooked up. How long do I need to turn them on before I try to start the tractor? I've heard everything from 15 secs to 2 mins.

Just did my B275 . Served with 12g wire. Takes 15 seconds before it starts then I leave them on to smooth the idle for another 5. I gave the wire size because it might hear faster with bigger wire. This is in -5°c weather. Quite pleased with it.
 

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