Question about 1995 Volvo 850

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Safety switch in transmission ?

When I stop my 850 automatic put it into park it wont start . Then if I move the transmission selector back and forth and put in park it will start right up.

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  • ldanehy60 Jan 06, 2009

    This my be way my check engine light is on !!!! Thanks I am going to replace this part see if it goes out . You may have saved me a bunch !!!

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Your Gear Position Sensor is failing. It's common on these models for this part to fail. It's common for the check engine light to also come on and store a code for this sensor.

http://repairpal.com/volvo-850-1995


Posted on Jan 06, 2009

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2 Answers

This morning it started fine but will not come out of gear and my airbag light is on. Someone said it was the fuse but I am not sure which fuse. Any ideas ?


I am mechanic I really need to no more make ect. but it could be battery or the ignition switch or ignition lock n key but like I said need more information this is a guess that I told you

Oct 21, 2015 | 2008 Chevrolet Chevrolet TrailBlazer LT

1 Answer

How do I get unstuck from park?


Vehicles have a safety system that won't allow gear selector to be moved out of park unless brake pedal is pushed ! This what Buick calls there's
Automatic Transmission Shift Lock Control ! Depending on make of your vehicle it mite be called something else . But all vehicles have it.
The automatic transmission shift lock control system is a safety device that prevents an inadvertent shift out of PARK when the ignition is ON. The driver must press the brake pedal before moving the shift lever out of the PARK position. The system consists of the following components:
?€¢
The automatic transmission shift lock control solenoid


?€¢
The automatic transmission shift lock control switch


?€¢
The brake to shift relay


?€¢
The rear integration module (RIM)

With the ignition in the ON position, battery positive voltage is supplied to the brake to shift relay coil. When the RIM energizes the brake to shift relay, the brake to shift relay switch contacts close suppling battery voltage to the automatic transmission shift lock control switch. The circuit continues through the normally closed switch to the automatic transmission shift lock control solenoid. The permanently grounded solenoid is energized. This locks the shift linkage in the PARK position. When the driver presses the brake pedal, the contacts in the automatic transmission shift lock control switch open. This causes the automatic transmission shift lock control solenoid to release. This allows the shift lever to move from the PARK position.

Sep 08, 2015 | Cars & Trucks

1 Answer

How do I fix the transmission problem? The car is moving forward at neutral, drive and low gear, and switching to parking mode at reverse and parking. The car is not backing up at all.


Transmission may now be toast since you continued to drive it when maybe low on fluid or torque converter had failed. How long since last fluid and filter change? Ever?

Jul 19, 2015 | 1992 Lincoln Town Car

1 Answer

Abs light on wont shift out of park


Hi Judy , what kind of vehicle do you have ? Year an model ? ABS light has nothing to do with it not coming out of park . Problem with automatic transmission shift lock control ! Probably !
The automatic transmission shift lock control is a safety device that prevents an inadvertent shift out of PARK when the ignition is ON. The driver must press the brake pedal before moving the shift lever out of the PARK position. The system consists of the following components:
?€¢
The automatic transmission shift lock control solenoid.


?€¢
The automatic transmission shift lock control switch.


?€¢
The park/neutral safety switch.

With the ignition in the ON position, battery positive voltage is supplied to the automatic transmission shift lock control switch. The circuit continues through the normally-closed switch to the automatic transmission shift lock control solenoid. The park/neutral safety switch provides a path to ground for the automatic transmission shift lock control solenoid in the PARK position. This energizes the automatic transmission shift lock control solenoid, mechanically locking the shift linkage in the PARK position. When the driver presses the brake pedal the contacts in the automatic transmission shift lock control switch open, causing the automatic transmission shift lock control solenoid to de-energize. This allows the shift lever to move from the PARK position. When the shift lever is out of the PARK position the contacts in the neutral safety switch open and the automatic transmission shift lock control solenoid is de-energized.

Jul 07, 2015 | Cars & Trucks

2 Answers

I have a 2002 Escape, sometimes the gear indicator on the dash puts a box around park and reverse at the same time and it wont let me start it until i take it in and out of park several times and the box...


does the gear shift lever that you change gears with seem loose and has a lot of movement up and down until you can get it to the shifting point or is the lever snug and normal tight feeling to it either way a think your neutral safety/range selector switch maybe broken inside this switch will stop the car from being started in any gear except neutral or park for safety reasons and this could be what is happening here normally I think the box should go around any gear you have selected P/R/N/D etc. to show you what gear your in and for overdrive purposes , but it's showing up around 2 selections at one time and the car won't start this is telling me inside that the switch has somehow become broken and this part of it is reading the wrong position then once you move it around a few times it locates itself in the right place and the car starts get a new neutral safety / range selector switch hers what it looks like its on the transmission
2002-escape-sometimes-gear-indicator-egfwkdwwkv4lskpyxjwsfau4-1-0.jpg
the center part with the 2 notches fits on the transmission and don't have a fit when you first put it in and the truck doesn't start this has to be adjusted by someone under the car while you try to start the car your original one maybe can be adjusted but I think it's n/g because it's showing 2 positions at the same time depending on where you buy it the cost will be for aftermarket $20.-$45 for an automatic transmission $65- $85 for a manual one the dealer will be over $100-$150 I hope this helps and please post back with progress or results and please rate me positively good luck stephen

Feb 15, 2015 | 2002 Ford Escape

1 Answer

Hyundai wont start in park


Hi Ronda
first you should not park your car on P position without you pull the hand brakes first, that's why you having problem pulling the selector out of Park.
regarding the starting problem, there is a switch on the transmission where the selector cable fit. It called inhibitor switch, this needs adjusting or replace in case is faulty
good luck.

Feb 06, 2014 | Cars & Trucks

1 Answer

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.

Jan 26, 2013 | 2002 Jeep Grand Cherokee

1 Answer

Put a new engine in a 1998 isuzu rodeo now it won't start. I thought it was the neutral safety switch because the R was on the dash and it was in park


This could be the problem. If your dash indicator is showing reverse but the transmission is in park it could be the safety switch. I'm not talking about the safety switch in the transmission though. In automatics they put a second switch to kill the starter from engaging. You need to adjust the linkage. If your shifter isn't actually on the column but the indicators are there is a cable that attaches the floor shift to the column and that is adjustable. Put the Floor shifter in Park and turn the column section nearest the dash by hand until you find park. Then adjust the cable length as needed. If all you have is the column shift it is still a cable adjustment. Set the emergency brake, drop the shifter to low 1 and adjust the cable linkage by loosening it on the transmission and manually move it all the way to low 1 then tighten it down then move the shifter to park and repeat teh adjustment process to verify that it is properly aligned. Lock the linkage back down and see if the vehicle will start, if it doesn't move the shifter to neutral and try to start the vehicle if the vehicle starts then check the column shift safety switch at the park position to make sure it is still in place and working. Typically, if the vehicle won't start in Park or Neutral it is more likely to be the Transmission neutral safety switch.

Nov 15, 2011 | 1998 Isuzu Rodeo

2 Answers

When I have a no start condition I work the maul selector from park to low 1 back and forth and the car starts


Your safety interlock switch is going out or is not adjusted properly. There is a procedure for adjusting the switch. The switch is on the transmission in the engine compartment. If you want to adjust the switch, loosen the botls holding the switch and follow steps 7-8 below. Else, you can just replace the switch entirely by following all steps.

The neutral start and backup switch are one unit mounted on the top left end of the transaxle. The neutral start portion of the switch allows electrical current to travel to the ignition system when the shift selector is in park or neutral only. The vehicle will not start when the selector is in any other gear. The backup portion operates the rear backup lamps when selector is in the reverse gear.


REMOVAL & INSTALLATION See Figures 1 and 2

  1. Make sure the shift selector in the Park position, then apply the emergency brake.
  2. Disconnect the negative battery cable.
  3. Disengage the neutral start switch electrical connector, then remove the shift control lever on top of the switch.
  4. Remove the two neutral switch attaching bolts, then remove the switch.

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Fig. Fig. 1: Neutral safety switch location-vehicles equipped with automatic transaxle

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Fig. Fig. 2: Adjusting the neutral safety switch



To install:

  1. Install the switch on the manual shaft.
  2. Loosely install the two attaching bolts and washers.
  3. Insert a No. 43 drill (0.089 in.) through the hole.
  4. Tighten the attaching bolts to 7-9 ft. lbs. (9-12 Nm), then remove the drill.
  5. Engage the switch electrical connector, then connect the negative battery cable.

Sep 22, 2010 | 1992 Ford Taurus

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