Posted by Tom Petroff (IL) [64.12.116.76] on Monday, July 04, 2011 at 06:21:54 :
In Reply to: Ceramic Resistor mounted by coil posted by Dave in Michigan [24.177.145.171] on Sunday, July 03, 2011 at 13:41:41 :
Sounds like a weak coil to me.
By jumping the resistor and feeding the coil 12V you overcome the resistance in the coil.
Change it and see if it helps.
TGP