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Relay switch or fuses

If the battery is good, then there should be power at the starter solenoid. The solenoid is connected to the starter.The solenoid is energized by the ignition key. When the key is turned, the starter solenoid allows power to feed the starter. Try tapping the starter solenoid while turning the key. Have a friend help and use something non metallic to tap the solenoid. Good luck!

Feb 18, 2016 | Cars & Trucks

1 Answer

Motor don't turn nothing dash lights and head lights 1985toyota pu

Do the gauges and warning lights work with key on? If not, check fusible links, AM1 for ignition key power. If the gauges/warning lights work, the key switch has power, so you can follow it to the starter solenoid. The start wire out of the ignition switch is a black/white wire, this is the hot wire to the solenoid, and only has power when key is held in start. With automatics, there is only one switch-a neutral start switch- between the ignition switch and the solenoid on the starter .

With a manual transmission, the black-white start wire goes to both a starter relay and a clutch start switch (on the clutch pedal), those two work together to send the power on to the starter solenoid. So, no crank, good battery, power to key, follow the black/white wire, the start relay and the clutch switch, to the starter solenoid- a hot wire there turns the starter motor on.

Mar 17, 2015 | Cars & Trucks

2 Answers

What is the box above the starter motor and would it stop the motor starting need diagram

You need to be more specific, what you are probably meaning, if its round, and about the size of a small tomato juice can with a thick wire coming from it, then it would be the solenoid. A solenoid is a switch that can be turned on and off with another switch (the key). Since it takes allot of power to start a engine the wires running to your key switch would need to be quite large to handle all that power. In contrast the solenoid requires only a small amount of power to switch on and off. Wires run to the solenoid from the Battery, Key switch, and the starter. When you turn the key it uses a small amount of power to close the solenoid which allows power to pass from the battery through the solenoid to the starter thus bypassing the key switch. If the solenoid is bad, the car wont start.

Sep 04, 2014 | Cars & Trucks

1 Answer

I bought a new starter for my 1983 k5 blazer because the old one went out. When i first installed it, it engaged, but after trying to shim it a few times, it stopped engaging. i hooked up jumper cables to...

Hang up the coat hanger and buy a test light or voltmeter. You need to find where power is lost between the key switch's start wire coming out of the ignition switch and ending at the starter solenoid. Since you can short the starter to work, there must be no power at the solenoid with the key held in start. You can backprobe the ignition switch connector and see if power is on the start wire with the key held in crank. If good, switch is working. Now, test the neutral safety switch in the same way, key held in crank, should have power in to switch, and gear in park, should have power out. If good so far, next would be the starter relay. You may need a wiring diagram from a repair manual to scope out the starting circuit. Be methodical and follow the circuit to the starter solenoid. The small purple wire at the solenoid should have power to it when the key is in crank.

I don't know what is up with the shims, but you should only use the same shims that the old starter had.

Sep 18, 2013 | 1999 Chevrolet Blazer

1 Answer

1989 f250 wont start dead silence when i turn key on replaced ignition switch, starter & solenoid, truck will start if i jump points on solenoid

Two parts to this circuit, the low current: power supply to the ignition switch which then passes to the small wire on the solenoid when you turn the key to the start position, at this point there should be an audible "click" from the solenoid. Don't forget the solenoid needs an earth to operate, so check the earth path too, usually through its attachment point(s) Check that the ignition switch has power going to it. Check that the power is transferred to the start wire when the key is turned. Check the power is arriving at the solenoid, small wire. Check the solenoid has a good earth. Does the solenoid "click" when you try to start? Yes to all this? Then the low current side is good. The high current side: a permanent live (hot) to one side of the solenoid. When the key is turned to the start position and so long as the solenoid "clicks" then the power to the permanently live terminal is transferred to the other high current terminal. If it is not, then the terminals inside the solenoid are burned/dirty/high resistance. You might be able to dismantle, else change the solenoid. If the power does transfer, but the starter motor does not turn, then suspect the starter motor itself. Check there is a good earth for the starter motor, the heavy duty cable to the engine is in good condition, terminals clean and tight etc. If all good, then the starter motor is most likely U/S.

Sep 13, 2013 | 2004 Ford E250

1 Answer

No crank

Something wrong in the start circuit. The fact that dash lights come on indicates the ignition switch seems ok.- power is getting to it and exiting it.

The next place to check is the starter: before taking it off and have tested, do this quick test: when the car won't crank over, pull off the small wire on the starter solenoid-mounted on the starter-and see if that wire has power when the key is held in cranking position. You will need a helper to hold key in start, and an inexpensive testlight or volt meter to see if the wire has power.
This wire is the signal wire from the ignition switch to activate the solenoid and allow battery power to turn the starter motor on.
If the wire has power and still no crank, then the starter or solenoid is the problem, assuming battery and cables are good and connected tight. Pull the starter off and test it. If starter is good, probably the solenoid.
If the wire has no power when key is held in crank, the problem is in the circuit from the ignition switch to the solenoid-includes the neutral safety switch, maybe a starter relay, too. One would begin testing by checking for power on the start wire exiting the switch with key in cranking pos. If good there, test the neutral safety switcfh. If you have manual transm, the switch would be on the clutch pedal. If automatic, have a shop locate and test that.
Good luck- often, not always, it is the starter or solenoid. But do that check for power at solenoid , first.

Dec 20, 2012 | 2001 Pontiac Grand Am SE

1 Answer

Van wont start. no power

Maybe the starter or starter solenoid is bad. First, make sure connections at battery and starter are clean and tight. Old school method: turn headlights on, and (if good and bright) observe them while someone turns key to crank. If they dim noticeably and starter makes no sound, likely the starter has failed. If you observe no difference in headlight strength, then likely the starting circuit from ignition switch to starter solenoid is not working. You could take the wire off starter solenoid and see if it has power there while key is in crank position. If you do have power there, starter needs to be tested, or the solenoid is bad. If no power to the solenoid when cranking, then the circuit from the ignition switch to the solenoid will need diagnosing. Your neutral safety switch, and possibly a starter relay is in that circuit before it reaches the solenoid.
Good luck.

Feb 01, 2012 | 2002 Dodge Caravan

1 Answer

93 corsica not starting

When you turn the key to on, does everything come on, all the dash and warning lights?
When you turn the key to cranking, power is sent to the solenoid mounted on the starter, through a small purple wire. This is what engages the starter. But the path from the ignition switch to that solenoid travels through a starter relay and a neutral safety switch(for automatics) or a clutch safety switch (for manual transaxles). Check for power with a testlight or voltmeter at that purple wire on the starter solenoid when someone holds the key in crank. If you have power there, the solenoid is bad, and starter needs to come out to replace the solenoid. Doesn't sound like that, though. Usually they make a clicking sound when, or before going out. I think maybe the relay is bad or the neutral safety switch may be your problem(or the clutch switch if you have a manual).
Good luck.

Dec 02, 2011 | 1993 Chevrolet Corsica

1 Answer

Will not crank battery good current to trans selector good fuses good starts with jump wire to solenoid still no current to solenoid when key is in start pos. replaced ign sw no change

you never mentioned if you have power from the switch, check for power in and out of switch with volt ohm meter, then trace wiring to starter

Feb 12, 2011 | 1995 Pontiac Grand Prix

3 Answers

Igniton key is stuck in switch and won't turn off

Check the shift cable to the shifter to the transmission,and the shifter could be malfunctioning.

May 16, 2010 | 2004 GMC Envoy

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