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tilt motor problem

B

belker

New member
I recently replaced the tilt motor on m 1976 evinrude 50 hp. when I went to put it back on the motor I got a spark when I touched t to the mounting bracket.I checked voltage and there is 12.8 volts to the housing of the motor. I called the supplier and they told me this was normal. Doesn't make sense to me. an someone help me out. Its the old prestolite 3 wire system
 
Doesn't make sense to me either. Voltage to the PTT unit mounting bracket (unit the electric motor bolts up to??) would mean that you would need to disconnect the battery to eliminate that condition... which in turn means that when the battery is hooked up, a constant battery drain would exist.

Your explanation comes across to me that you have the electric motor in your hand... then you attempt to install the electric motor, and a electric sparking occurs between that electric motor and the unit it installs to. Am I missing something here?
 
joereeves said:
Doesn't make sense to me either. Voltage to the PTT unit mounting bracket (unit the electric motor bolts up to??) would mean that you would need to disconnect the battery to eliminate that condition... which in turn means that when the battery is hooked up, a constant battery drain would exist.

Your explanation comes across to me that you have the electric motor in your hand... then you attempt to install the electric motor, and a electric sparking occurs between that electric motor and the unit it installs to. Am I missing something here?
Click to expand...
Yes thats whats happening think there must be short in motor they saidi could exchange it
 
belker said:
Yes thats whats happening think there must be short in motor they saidi could exchange it
Click to expand...

Unless you have the wiring connected to that electric motor with the switch ON in one mode or the other, what you say is taking place, to me, is an impossibility. If you're simply installing the motor with nothing hooked up to it, that would be the same thing as just having a piece of steel in your hand (a second item), a screwdriver, a wrench, whatever, and having sparks fly about when you touch the mounting unit with it.... The second item must be grounded in order for electricity to complete a circuit, and none of these items would be grounded. Are you sure you're explaining this problem correctly?
 
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