On Sun, 30 Oct 2011 16:15:33 -0400 Michael Canfield <slozuk...@gmail.com> wrote:
> How many amps should a good glow plug draw? Exactly what would I > expect the meter to do for a good plug vs. a bad one? > Seems like a shorted plug would either melt your wires or blow a > fuse, an open circuit plug would do nothing and a good plug would > gradually read higher, up until a certain point. Glow plugs are like incandescent light bulbs; their resistance decreases as they heat up. The current is a maximum when they are first energized; it then decreases to the steady-state value. IIRC, a W123 glow plug draws 15 - 20 A when first energized, which then decays to 10 - 15 A. Craig _______________________________________ http://www.okiebenz.com For new and used parts go to www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
