Question about 1993 Buick LeSabre

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Nothing engauges when you turn the key.

I have replace the neutral safety switch and had starter tested and replace ingnition switch and still when you turn the key to start nothing engauges. what could be wrong now?

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First check all fuses if good go to your starter solenoid take off the ignition wire usually i terminal with someone helping have them turn key to start holding while you take your test light to see if the wire lights the light if it lights put back on the solenoid now test the pos cable on the starter should have juice if not it is fed of the starter solenoid trace all wires back search for burnt inline fusible link there white or black oval shaped test both sides of wire if one side has juice the other doesnt the link is junk they usally burn thru were it looks like a welding arc check all also pull on both sides of wire to see if they come out of link goodluck

Posted on Sep 14, 2008

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Replaced transmission, van will not start, will not turn over. Battery fully charged, starter bench tested good. What is my next step?


Anon, possible security lock out or the safety neutral/park switch faulty, not plugged in, bad wire.
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."
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I have a 87 Pontiac firebird. I got it from a friend and drove it home. I drove it a round town a little then parked it by my house. I went to start it and nothing happened, i thought the battery was dead...


Probably not a fuse. When turning the key to on, does it give indication of power in and power out of the ignition switch-do the warning lights and gauges on the dash turn on?
If the key switch is sending power, next thing to check is the starter motor. You could take it off and have it tested, it and the starter solenoid mounted on the starter, or you could do some quick electrical testing yourself, if you have a test light or multi-meter.

If you pull off the small purple wire to the starter solenoid on the starter, you should check if the wire has power when the key is held in crank position. If it does have power, the starter or solenoid is faulty. If no power on the purple wire in start, then power is lost between the key switch and the solenoid. This part of the start circuit includes the neutral safety switch on the transmission (or the clutch switch if manual transmission), and a starter relay somewhere under the hood. Check the neutral safety switch for continuity in park or neutral. The start wire out of the ignition switch goes to this safety switch, and power is passed on to the starter if gear is in park or neutral.
Not likely the starter relay is bad, but you may need to find and check it, if all else fails.

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My 92 lincoln town car will not start i have replaced the starter, the neutral safety switch and the battery but when i turn key nothing happens but can jump starter and will crank


Yes there is a starter relay in the wiring diagram.
The yellow and lite blue wire goes from the starter solenoid to the relay. There is a yellow wire from the relay to a 30amp fuse. The key switch powers thru the neutral safety switch and then powers the relay on.

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My 2001 Jeep Grand Cherokee wont start sometimes, but if I put it in neutral then try to start it..It starts .. What is the problem with my baby.......


Test/Service/Replace

The circuit on newer cars with automatic transmissions has a neutral safety, or neutral start switch installed between the ignition switch and the starter. The ignition switch cannot operate the starter motor unless the transmission is in park or neutral.
Late model vehicles with manual transmissions have a starter/clutch interlock switch that requires the clutch to be depressed to the floor.
Neutral Safety Switch
Normal operations of a neutral safety switch provides a quick check for the adjustment of the gear selector linkage.
  • To do this, move the selector slowly until it clicks into the PARK position.
  • Turn the ignition key to the START position.
  • If the starter operates, the PARK position is correct.
  • After checking the PARK position, move the lever slowly toward the NEUTRAL position until the lever drops at the end of the NEUTRAL stop in the selector gate.
  • If the starter also operates at this point, the gearshift linkage is properly adjusted.
  • This quick test also tests the adjustment of the neutral safety switch.
  • If the engine does not start in either or both of these positions, the neutral safety switch or the gear selector linkage needs adjustment or repair.

CAUTION
Since you must work under the vehicle to adjust most shift linkages make sure you properly raise and support the vehicle before working under it. Also, wear safety glasses or goggles while working under the vehicle.
A voltmeter can be used to check the switch for voltage when the ignition key is turned to the START position with the shift lever in PARK or NEUTRAL. If there is no voltage, the switch should be adjusted or replaced.

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could have faulty starter or starter solenoid.hook test light make you a test light with longer wires and 12 volt bulb with socket go junk yard find good bulb with socket.hook test light to starter and see if test light lights up if so your starter or starter solenoid has a open winding. if test light dont light up could have blowed fuse to transmission neutral switch or neutral switch could be bad.try to start vechicle in neutral if vechicle starts your transmission neutral switch out of adjustment or neutral switch faulty check make sure wires going to neutral switch is damaged.

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The ignition key switch sends power thru the neutral safety switch to the starter motor solenoid mounted on the starter motor.
If the car has an anti-theft system the key has a micro chip that signals the system to function.

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1 Answer

I need to know the location of the neutral safety switch


Below are 2 pictures for you. Both are pretty much in the same spot it just depends on if you have a 3 or 4 speed transmission. Now I'm not sure of the "clicking" sound that you are talking about but I just want to mention that you do have a starter relay. You may be hearing that "Click" but your starter could be bad. Even your starter could be making the "clicking" noise. I say this because it sounds like failure in that area and not the neutral safety switch. If that were bad you would hear nothing as if you were trying to start it when it was in gear...you hear nothing. A quick test you can is to have someone turn the key to try and start the engine. While they are doing that put your finger on the starter relay (see picture below of location). if you feel it engauge or "click" that means you're getting power to the starting system and it's not your neutral safety switch. You could go one step farther and if the relay is clicking go down to the starter. Again while someone turns the key to start using a test light check to see if you are geting power to one of the smaller wires (not sure of the color but it will be on the solenoid) and if you are geting power while the key is turned and trying to start buy no power when they let off the key then you most likely have a bad starter. Or a wiring problem. I just wanted to mention this so you are just not changing parts for nothing. Hope this helps...

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I may not be all the way in park or the safety neutral switch in not working. Did you try and start it in Neutral? Also move your shifter around while the key is engauged and see if it will start.

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ah~! the starter relay change it period?

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