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LarryB's Solenoid-Saver Diode.
Our diode is now resin potted to protect against breakage. For 12valve engines, years 94 to 98-1/2 Fuel solenoid failure almost always begins with worn starter contacts. When a
starter sticks on it is caused by the worn contacts arcing and becoming welded together. When
this happens the starter back-feeds 12v up through the trigger curcuit to the 70amp
fuel solenoid relay. The relay then thinks it getting the power from the ignition
switch so closes the relay and energizes the fuel solenoid via the "pull" coil.
This is why the engine won't shut off by the key. This "pull" coil is very
strong but low resistance so will overheat very quickly if allowed to stay energized. This
is what causes the fuel solenoids to burn up. If you have purchased an un-potted diode from us in the past we will pot it for you at no charge. Easy to install, takes about 5min.
Installing LarryB's Solenoid-Saver diode Remove stock trigger wire from starter Install Solenoid-Saver diode on starter as shown Attach trigger wire to Solenoid-Saver diode Your done! |
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