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It still will not let me start in park or neutral it's not even registering on the driver display that is in park Battery voltage USB a little over 12 volts

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6 Suggested Answers

6ya6ya
  • 2 Answers

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

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Posted on Jan 02, 2017

  • 958 Answers

SOURCE: Alternator or Voltage regulator

if you can carefully put a metal wrench on the rotating pulley of the alternator and felt a magnetism attracting the metal wrench, then your alternator is charging. if there is no magnetism, then the alternator is not charging...

another test is to measure the voltage on the small wires that went in to the alternator that says "F" for field, it should measure battery voltage...that is the voltage from the regulator..that means your regulator is working...but the altrntor is not..

without that battery voltage, then the regulator is he culprit...



pls be carefull...

hope i was able to solve ur problem..

pls rate me.. tnx, drcool..

Posted on Jul 26, 2008

  • 1348 Answers

SOURCE: Engine won't start. Dash lights flash rapidly when key turned.

the battery says 12 volts but may be dropping to 4 or 5 under a load...i would suggest jumpstarting the car and see what happens.the battery should read in the high 12 volts and not less than 9.5 under cranking. the dash lights go out on your car when starting,and the alarm will go off ,and disable the ignition if the voltage is too low in cranking the car because the computer will shut it down and activate the anti theft.....check your battery posts are tight. best of luck

Posted on Jul 22, 2009

  • 1 Answer

SOURCE: cadillac cts cranks but won't start

My 2003 CTS would not start on the first, second or third try after filling the gas tank. Finally after several months of this occuring every two weeks a check engine light came on. It was the evac purge valve. Tom

Posted on Jan 08, 2010

355ttrex
  • 249 Answers

SOURCE: 2006 Chevy Silverado alternator intermittent charging

Perfectly normal.
Starting with the 2005 model year, light duty full size pickups and utilities are equipped with a new Regulated Voltage Control (RVC) system. This system reduces the targeted output of the generator to 12.6-13.1 volts when in "Fuel Economy Mode" to improve fuel economy. The generator may exit "Fuel Economy Mode" if additional voltage is required. This will cause the voltmeter to fluctuate between 12 and 14 volts as opposed to non-regulated systems that usually maintain a more consistent reading of 14 volts. This fluctuation with the RVC system is normal system operation and NO repairs should be attempted.

Posted on Jul 22, 2010

mecanica03
  • 874 Answers

SOURCE: battery light ford 2003 escape battery died short in main ig.

yes , repair the alternator

Posted on Jul 30, 2010

Testimonial: "Thank you I am having it replaced along with the Serpentine belt which has 220K miles orig."

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My 2007 Uplander won't start. We've replaced to battery and starter relay. Still won't even click when trying to start.


How to voltage drop test starter motor circuit This is how a normal starting system use to work ! Not now , computer's involved , communication networks etc.....
Here is how your's works

For ignition switch power modes refer to Body Control System Description and Operation . When the ignition switch is placed in the Start position a discrete signal is supplied to the body control module (BCM) notifying it that the ignition is in the Start position. The BCM then sends a message to the engine control module (ECM) notifying it that CRANK has been requested. At the same time the BCM is supplying 12 volts for the IGN 1 relay closing it and supplying battery positive voltage for the crank relay coil. The ECM verifies that the transmission is in Park or Neutral. If it is, the ECM grounds the control circuit of the crank relay. When this occurs battery positive voltage is supplied through the switch side of the crank relay to the S terminal of the starter solenoid.

Sorry but your best bet would be to take it to a qualified repair shop ! Or the Chevy dealer . Could have DTC'S - diagnostic trouble codes stored in the BCM !

DTC P0615 Starter Relay Control Circuit

Circuit/System Verification
Ignition ON, verify that no starter relay, theft deterrent, or automatic transmission DTCs are set that would cause the ECM to disable starting.
? If DTCs are set, refer to Diagnostic Trouble Code (DTC) List - Vehicle .
Ignition ON, observe the scan tool BCM Starter Switch parameter. Place ignition switch in the crank position, the parameter should display ON.
? If not the specified value, refer to Power Mode Mismatch .
Transmission range selector in park , verify the scan tool ECM PNP Switch and TCM IMS parameters display Park/Neutral.
? If the TCM IMS parameter does not indicate Park/Neutral, refer to Transmission Internal Mode Switch Logic .
? If the ECM Park/Neutral parameter does not indicate Park/Neutral, refer to ECM Park Switch Circuit Malfunction.
Transmission range selector in park or neutral, attempt to start the vehicle. The starter relay should click and the engine should begin cranking.
? If the starter relay does not click or the engine does not crank, refer to Starter Relay Circuit Malfunction.

Power to many of this vehicle's circuits are controlled by the module that is designated the Power Mode Master (PMM). This vehicle's PMM is the Body Control Module (BCM). The PMM controls which power mode (Run, Accessory, Crank, Retained Accessory Power, or Off) is active.

Serial Data Power Mode
On vehicles that have several control modules connected by serial data circuits, one module is the power mode master (PMM). On this vehicle, the PMM is the body control module (BCM). The PMM receives 3 discrete ignition switch signals to differentiate which power mode will be sent over the Serial Data circuits. The table below illustrates the state of these inputs in correspondence to the ignition switch position:

Mar 29, 2017 | Cars & Trucks

1 Answer

Can't find the ignition relay for a 2000 Mitsubishi diamonte. Turn the key and absolutely nothing happens no sounds or anything . How


Battery good , cables and connections ? Voltage drop test starting circuit . Find a wiring diagram at http://www.bbbind.com/free_tsb.html Your vehicle has no relay ! Try wiggling the gear selector from park to neutral . Check B+ voltage at the park neutral safety switch . When you turn key to start B+ voltage goes to the neutral safety switch , if switch is good ,B+ voltage goes through the switch if in park or neutral to the solenoid on the starter . IF all is good starter energizes and spins the engine over . Starter Voltage Drop If you can't fix it with this info , your best bet have it towed to a qualified repair shop .

Feb 18, 2017 | 2000 Mitsubishi Diamante

1 Answer

Where is the safety switch for a 2006 chevy malibu


Safety switch ? For what ? Park neutral safety switch ,is this what you mean ? Your vehicle not starting ? There is a lot more involved then just that switch.
Circuit Description
For ignition switch power modes refer to Body Control System Description and Operation. Once the ignition is placed in the Run/Crank position, the control circuit of the Run/Crank relay is grounded by the body control module (BCM). With the Run/Crank relay switch closed, battery positive voltage flows through it and on to the park/neutral position (PNP) switch. With the PNP switch in either the Park or Neutral position, battery positive voltage will flow to the starter relay coil supply voltage input terminal of the powertrain control module and the coil side of the starter relay. Placing the ignition in the START position sends a message to the engine control module (ECM)/powertrain control module (PCM) requesting engine start. If the ECM/PCM has determined that the transmission is in Park or Neutral and theft is not active, it will ground the control circuit of the starter relay. Battery positive voltage will then flow through the switch side of the starter relay to the S terminal of the starter solenoid, cranking the engine. For remote vehicle start (RVS) information, refer to Keyless Entry System Description and Operation.

May 25, 2016 | Cars & Trucks

1 Answer

I have a 2002 chrysler concorde. When i park the car if the wheels are turned to the right, the car wont start because the car wont show park or neutral. Even if the shift is in park the car wont register...


IT could still be the neutral switch that is not adjusted properly and registering the straight ahead position but if you have a column shift I would say that the neutral switch is way out of adjustment as the switch works off the selector position and not where the wheels are pointing.

Apr 28, 2014 | Chrysler Concorde Cars & Trucks

1 Answer

Wont show P for part or N for neutral and wont start until I can get it to go into park


Maybe check to see if the neutral safety switch is malfunctioning. there should be an adjustment on the top of the transmission that is a small L-shaped bar that moves. If it is not adjusted correctly, the shifter may be in park, but the actual transmission may be between park and reverse, thus making it not register that it is in park and the neutral safety switch engaged to say it is safe to start.

If the shifter is on the column, try holding up on the shifter just a little as you try to start it, if this seems to work, that transmission linkage needs to be adjusted. Also try to start in Neutral, if this works, which not always on some models, then most likely is the linkage needing to be adjusted.

Hope this helps.

Mar 15, 2014 | 2005 Dodge Grand Caravan

1 Answer

My 2000 Cadillac Deville DHS is not starting.


The transmission range switch could be bad , but ,without testing that is a guess . That's why the AAA guy had you try it in neutral an park . Do you know what a park netural safety switch is . The trans range switch is an input to the PCM/ECM engine computer ! The PCM/ECM shares this info to the instrument cluster over the class 2 serial data communication network , do you know about networks for the computer system on your vehicle. What happens when you turn the key to start your vehicle ?
Starting System Circuit Description
Moving the ignition switch to the CRANK position sends a 12 V signal to the PCM ignition crank request input. The PCM verifies that it has received a valid theft password from the vehicle's theft deterrent module and that the transmission is in the PARK or NEUTRAL position. The PCM then grounds the control circuit of the START 1 relay. When the START 1 relay is energized it completes the B+ voltage circuit to the starter solenoid S terminal.
With the line under the PRNDL not registering/displaying it sounds like a range sensor switch problem . This could be very challenging even to a professional Technician . At the dealer i would hook up the Tech 2 scan tool an see the range switch data at the PCM . Easy as pie . Someone without that tool have to do testing with a volt meter , find the connector at the transmission or PCM ,which ever is easiest to get to .Also checking DTC'S - diagnostic trouble codes at all modules on the vehicle . There are videos on youtube on testing range sensor switch , park neutral safety switch .

May 06, 2017 | 2001 Cadillac DeVille

1 Answer

How do you replace an ignition switch on a 2002 chevy venture van? I have a 2002 chevy venture van and have had a problem with the starter staying engaged. I replaced the started and it fixed it...


So what it only does it in park or neutral ! The vehicle starting circuit is only suppose to let it start in park or neutal . Park neutral safety switch won't allow B+ voltage to S terminal on the starter solenoid unless the vehicle is in park or neutral . It's probably the starter relay contacts stuck closed . You really should learn how it works before guessing as to the problem . Plus learn automotive electrical testing ! The ignition switch when turned to the start position send's a voltage signal to the PCM - engine computer .The PCM will energize the starter relay to crank the engine . PCM / ABS 10amp fuse in the I/P fuse box supply's B+ voltage to the park / neutral safety switch . When in park or neutral the B+ voltage goes through the control side of the relay to the PCM which will supply a ground to energize the starter relay .

Jun 17, 2017 | 2002 Chevrolet Venture Passanger

1 Answer

I have a starting problem. I have replaced the starter, the ignition switch and checked the 60 amp fuses. Still when I turn the key I get nothing. the battery is fully charged.


park neutral safety switch. remember that little lead wire when changing the starter? u may have had to crimp a new wire on that came with the starter? when you are cranking u need to have at least 10v of power on that little wire. it activates the solenoid to pass battery voltage(the big wire down there) no power on little wire then we have to find out why ie.. park neutral safety switch

Aug 24, 2010 | 1994 Ford Taurus

2 Answers

Car wont start


try to start it in neutral. the trans. has a safety switch that will not allow the car to start in anything, but park and neutral. sometimes the shift lever gets a little out of line with the gear indicator. also try firmly shifting into and out of park a few times. this may flip the switch. good luck

Oct 13, 2009 | Cars & Trucks

1 Answer

1998 bmw 740il will not start even with new a battery


If you checked all the fuses try putting the car in neutral sometimes the shifter gets misadjusted and wont start till the car is completely in park.If not check for a lose wire to the starter.If the car has an after market alarm you will have to turn it off before starting there should be a little buuton under the drivers dash or kick panel.GOOD LUCK

May 01, 2009 | BMW 528 Cars & Trucks

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