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Starter Motor Relay Test
WARNING: Before the ground terminal is jumped, make sure that the vehicle is in PARK (automatic transmission) or NEUTRAL (manual transmission) and the parking brake is applied.
does it crank ok while holding the key on crank position?
can you disconect the solenoid wire and the fuel pump wire and reverse , and try it
ok can you remove both wires turn key to on do not cranck, and with a test ligth check for power to each terminal disconected at the relay side you should have one with power and the other with no power.