Jump the starter solenoid Take jumper wire from Battery + to trigger wire to starter (mounted on top of starter)
Jump the circuit in the keyswitch to the "on" position, jump the starter with a starter button.
If you can jump start the engine your starter is good.
Jump starter solenoid or Remove starter and have it tested at auto parts store
jump out the solenoid or relay. This will close the circuit for the high current.
If the starter is bad no. Check battery, starter and solenoid to be sure which is bad.
Jumper wire from coil + to battery+ Jump starter solenoid - Jump small trigger wire to starter connection
The starter relay or solenoid is probably the problem.
jump the starter solnoid, if it will crank , turn key on and jump again, if it starts then key switch is ok it would be the starter solnoid that's bad,
The most important consideration when purchasing a jump starter is power. How much power is the jump starter getting to the battery? Many manufacturers only offer battery booster packs that have only 900 peak amps and maybe 200 cranking amps.
The larger the wire diameter the better. Purchase one with at least an 8 gage wire. Remember the larger the number the smaller the wire. For a good all round jump starter that has been getting rave reviews I recommend the Jump & Carry Jump Starter look at the reviews: