Question about 1991 Jeep Cherokee Limited

1 Answer

91 jeep wont start

I checked the starter and fuses and all check out ok . I was told to run a by pass from the trany safty switch to a toggel button on the inside . any ideas?

Posted by on


1 Answer

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points


    An expert that got 20 achievements.


    An expert that got 10 achievements.


    An expert that got 5 achievements.

  • Jeep Master
  • 6,982 Answers

The neutral safety switch on those (auto trans) are a bit complex and expensive. They can be removed and serviced(other than buying a new or good used one, best to do). To bypass, use the two center contacts in the harness plug, opposite the plug latch. Don't forget though if you leave the toggle on, it will start in any gear!!l Do not leave harness unplugged if bypassed as shift solenoids in trans get their signal through the harness!

Posted on Feb 07, 2009


1 Suggested Answer

  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

a 6ya expert can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of.(from cars to computers, handyman, and even drones)
click here to download the app (for users in the US for now) and get all the help you need.

Posted on Jan 02, 2017


Add Your Answer

Uploading: 0%


Complete. Click "Add" to insert your video. Add



Related Questions:

1 Answer

1998 chev 1500, 5.0, automatic trany. Why do I have to activate the starter relay by hand to get engine to start?

Have you used a different relay ? Look on the bottom of the relay ,see pin 86 ? Test for B+ voltage where it plugs into the relay / fuse box while someone turns the key to start ! Is there B+ voltage . Before replacing the ignition switch and the neutral safty switch did you test for battery voltage coming from the ignition switch ? Pin 85 goes to ground , you can check this with a ohm meter . Do you know how to use a DVOM - digital volt ohm meter ? In the start position voltage from the ignition switch goes through 10 amp crank fuse . Fuse #8 located in the I/P fuse box .

Apr 16, 2017 | Cars & Trucks

2 Answers

2006 jeep liberty turn switch on and have power.starter and battery gd but wont turn over wont even click

the tests are all easy,
check fuses first, on all electric fails, starter ,charge and EFI are all electric systems.

super easy.
  1. jumper cable cranked with donor running car work?
  2. yes, battery is dead, or only discharged, charge it work?
  3. yes jumps but charge fails, bingo battery toast.
  4. so the jumper fails. in #1 , all that is a bad starting system. (not a part, the system)
  5. clean battery lugs. check fuses, and then hot wire the starter solenoid lug (dinky lug ,not huge one) (in park and wheels chocked keys off)
  6. ok that fails the starter is bad.
  7. ok that works. so the KEY line is dead. try starting in neutral yet?> bingo works, bad PRNDL switch on tranny side.
  8. the KEY line can be interrupted with some alarms, on a jeep it has Immobilizer that cuts fuel not cranking. so.... PRNDL switch bad or the key switch is self .
  9. Using any voltmeter to do the checks is a WIN. 12.6vdc is a charged battery is yours 12.6v rested/???????????

Sep 17, 2014 | 2006 Jeep Liberty

1 Answer

Why wont car start after charging battery its an au falcon

Check you battery connections. If they seem ok then get a volt meter and check voltage at the starter solinoid. If it is battery voltage then the small wire at the solinoid have a helper turn the key to start and you should have 9 to 12 volts. If this checks ok then you should have the starter checked. If no voltage the if is a automatic then check the nuteral safty switch. or ingnition switch.

Aug 15, 2014 | Cars & Trucks

1 Answer

What is wrong? 2003 GMC Sierra 1500 4.8L?

ignition switch neutral switch, cables.

Aug 09, 2014 | GMC Sierra Cars & Trucks

1 Answer

I have a 91 Nissan Maxima. Wont start.


Aug 19, 2012 | Nissan Maxima Cars & Trucks

1 Answer

Can't start the vehicle. think it has to do with the security system. is there a way to bypass it. also at times when it was running you would have to manually shift the automatic.

The security system only disables the starter so if the engine spins but doesnt start then its no the alarm system, if you turn the key and nothing happens then it may be alarm, these jeeps often have a bad lock switch for the alarm and if its not spinning to try and start then try locking and unlock the pass/side door, again if the engine is spinning over but wont catch then there another problem, the trany problem is sperate has nothing to do with the starting with the fluid level first if its low add oil and retry if it still acts up then have a trany shop test drive, may have a bad or weak trany.also try sparying some starting fluid into throtle and see if it runs for a while because these jeeps also have problems with fuelpumps, if it starts then you may have a bad fuelpump,this is only if the engine spins over when key is turned, hope this helps.

Dec 27, 2010 | 1995 Jeep Grand Cherokee

4 Answers

I have no back-up lights, Checked the bulb, and ground both ok what next?

Fuse? Did you check the lamp socket for voltage? Could be the switch ... Where is the switch? ... probably on or near the steering column ... or in the trans ... I dont know for sure in this case. Check for voltage which I suspect will be none because of a fuse or a switch issue.

Mar 23, 2010 | 1998 Toyota Tacoma

1 Answer

Jeep Liberty Diesel will not turn over. Battery charged. Cannot get diagnostic codes from the computer.

try it in nutral put in park and hold up and or jigle up and down in park, dont come out of park jiggle while u hold to start,check large fuses anything marked starter check cables cable ground to engine ,check nutral safty switch check starter , and starter wire ing wire at starter with test light small wire on starter while someone trys to start jeep ground test light to a good ground and hold point on small wire on starter it should light up if it does your starter is bad ,if it doesnt light up check ignition switch on steering colum ,most likely bad

Jun 27, 2009 | 2006 Jeep Liberty

1 Answer

My 1996 cavalier Z24 wont start

pull a wire and ground it via useing a screw driver at the end of the spark plug boot to check for spark / if their is no spark / ignition control module / there is also a crank shaft position sensor / located on the back side of the motor under the coil packs / pain to get to / also the nuetral safty switch / to check the neutral safty switch diconnect the big harnest at the neutral safty switch put a fuse tester to the yellow wire / have someone turn the key / with the tester grounded the light should come on / now we know the ignition switch has power going through it. if there is a no power at the yellow wire / bad ignition switch / does the car have a relay located at the top of the radiator core support (up by the radiator looking down drivers side)if it does not gm will install one for free / if there is / look for the purple wire coming out of the relay and Follow it down to the starter / reconnect the neutral safty swtch / touch the small S (the smallest screw) terminal on the starter soilenoid / have someone turn the key forward check the light / this will detemine if the relay is good / CAREFULL NOT to touch the big starter wire with the little one it will jump the starter / I HAVE THE SAME CAR / Hope this helps

Oct 16, 2008 | 1996 Chevrolet Cavalier

1 Answer

Hilux ln130 wont start with key but will crash start

if it is automatic transmission try to start it in neutral, and see what happend, but if it come whit manual transmision, then check the cluth switch, you can by pass the switch and try to start it, if it works then replace the sw, but if not the look to see if there is a starter relay and replace it, most of this come wiht starter relay and they fail.

May 28, 2008 | 1991 Toyota 4Runner

Not finding what you are looking for?
Cars & Trucks Logo

130 people viewed this question

Ask a Question

Usually answered in minutes!

Top Jeep Experts


Level 3 Expert

76846 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

22246 Answers

Kevin Daniels

Level 3 Expert

1455 Answers

Are you a Jeep Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides