Trojan Boat Forum

You've told me the same as everyone else, most disconnect them and live with the smoking until the engine gets to temp... LOL... Do you know if low volts (i.e. battery low on charge) would be enough to cause them to NOT engage at idle when running?

I have a 1998 Trojan 440 Express with Cummins 450C Diamonds. Curious if any of the other 450C owners with Trojan 440 have ever noticed the activity of their Grid-Heaters (Manifold heaters). We recently replaced the Mag-Switches (Solenoids) which power the grid heaters at the start. My grid heaters o...