1990 Other Ford Models solenoid or ignition switch or?

1990 FORD
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DOC-Z
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Electrical problem
1990 Other Ford Models V8 Two Wheel Drive Manual

Went to start my '90 210 striper (and 5L OMC/Cobra) last weekend and found no action at engine when I turned on the ignition to the "start" position. Power checked out at other points, so I bypassed the solenoid (shorted across the large posts) and the engine fired right up!! So I'm thinking the solenoid right? I check voltage to the small-gauged posts at the solenoid and find zero volts with the ignition off, and 12 volts with the ignition on. So I assumed the solenoid was the problem and replaced it, only to find that the problem DID NOT CHANGE!? In the back of my mind I seem to recall that there is reason for ths failure that I have encountered before but forgotten. Can some knowedgable person with better memory synapses remind me of probable solutions to this problem? It may be that when we were tracing out a bilge pump electrical problem the prior week, that we did something, but I don't see any lose wires.
May 21, 2010 at 9:24 AM
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RASMATAZ
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The only time you see voltage at the small terminal S is when the key is at cranking position
May 23, 2010 at 7:51 AM