Igniting Performance The Ultimate Guide to Starter Motor Optimization

It only works if i jump it at the solenoid. everything else ignition related works fine. and i get power in the large red/black wire from the ignition in the ... Everything powers up, the dash lights come on, windows roll down, keyless entry works. But for some reason there's no power to the starter. 60 votes, 48 comments. I know what is a relay and first I understand why a car need it, but when you see how a starter work you ask, ... The problem was that the car wouldn't start. I'd turn the key and you could hear the electric hum like the starter was trying but it couldn't turn. Since that small amount of electrical current is unable to power the starter, it instead powers a tiny electromagnet, which closes a much larger circuit. It's time to back-trace from the key switch on the column to the battery and see where there is a problem. Check the starter motor solenoid itself. The wire that operates the solenoid is a simple push on affair and often falls off. The only way the starter will turn over is to jump it from the solenoid to the hot wire from the battery. With the key on or off starter engages engine turns ... It would back feed 12 volts to the starter when the ignition turns on power to the coil so power would be going to S any time the key was in the ... John76 ... Make sure the Black/white wire is connected to the #50 tab on the starter... not the #15 tab. You can connect the Red/black wire to the ...