Question about 1997 Oldsmobile Bravada

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Key is turned and all lights come on. Engine will not crank. Hit the dash above the ignition switch and it starts. Ignition module has been replaced with no difference.

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  • der_y_80 Aug 20, 2008

    I have a '95 Oldsmobile Cutlass Supreme. When I turn the key, everything works properly including all lights and chimes, but sometimes the engine will not crank. Usually it will work if I turn the key backwards first. Also, when it does work without having to turn the key back there is a slight delay from when i turn the key to when the engine cranks. (Hold the key in start position and after a short pause it starts) I have a coded key, could this be a problem with the ignition not reading the key code or the key somehow losing code? If necessary how do I remove the ignition switch to replace it?

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Sounds like the ignition switch is going bad

Posted on Sep 11, 2008

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What is reason my 2005 Cadillac deville will not start-will not crank


Given the amount of electronics on your vehicle , control modules (computers ) serial data communication networks etc.... Me or anyone else on would only be guessing as to what the problem is . Starting with the basics to find a cause is always the best ! Checking for diagnostic trouble codes should always be the first step !
Reading how the systems work is always a good idea too . Especially for someone who has no idea how this vehicle works .

When you turn the key in the ignition low voltage inputs are sent to the module incharge the PMM - power mode master ! In you vehicles case it's the (DIM) dash integration module !
Table 1: 4-Wire Ignition Switch Table
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 Dash Integration Module (DIM). The PMM controls which power mode (Run, Accessory, Crank, Retained Accessory Power, or Off) is active. In this vehicle the Rear Integration Module (RIM) assist the DIM in controlling the RAP 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 dash integration module (DIM). The PMM receives 4 signals from the ignition switch.
To determine the correct power mode the PMM uses the following circuits:
• Accessory voltage
• Ignition 1 voltage
• Ignition 3 voltage
• Off/Run/Crank voltage

Your best bet , take it to a qualified repair shop .

May 25, 2017 | Cadillac DeVille Cars & Trucks

1 Answer

Does not turn over or try to crank. New starter & battery, electronics works


Can the motor be turned by the balancer bolt? do you have ignition lights? If got ignition lights & red hand (try this anyway) hold key in start position & hit dash upwards & forwards on left of steering colum if start = smartlock module problem.

Jul 08, 2012 | 2003 Ford Expedition

1 Answer

Electrical problems


Same thing is happening right now on a 2002 Monte Carlo. When the key is simply turned to ON, all of the lights on the dash starts blinking rapidly. When I attempt to turn the car over, there is no CLICK or anything from the engine - nada. Ignition turns and the dash goes dark, as if it wants to TRY to start - but nothing happens.
But, when I press the brake pedal (and the key is just sitting in the ON position), all of the blinking lights stops flashing and just stay lit. Therefore, I changed the brake switch, thinking it might make a huge difference. Didn't really help at all. When the key is turned, you can hear the fuel pump engage and everything seems to be ready to go. But, the car won't start (it will only start when it feels like it)...hit and miss, pretty much.
Does anyone know the TRUE solution to this issue? Does the ignition need to be replaced in order to get this car to crank over

May 05, 2012 | 2000 Chevrolet Monte Carlo

4 Answers

89 mustang gt won't start only has spark when letting the key off


Use a 12 volt test light to check for voltage at the coil with the key turned to start. Connect the test light clip to engine ground and back probe the red wire terminal on the coil. If there is no power there, your problem is your ignition switch. If there is power there, back probe the same wire at the ignition module. If no power at the ignition module, the wire must be broke between the coil and the module. If there is power, the problem may be the engine control module. Let me know if you have questions.

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Nov 27, 2010 | 1989 Ford Mustang

1 Answer

My '97 Geo Metro LSi will not start. When I turn the ignition key on the buzzer, idiot lights, lights, horn, etc., everything electrical will work. If I turn ignition key to start, there is absolutely no...


It could be the starter, test the small wire going to the starter, it should have power when turning the key to start/crank. If it does, and the starter will not crank the engine, whack it with a hammer, if it then starts, replace the starter. If there is no power to the starter, then it could be the ignition switch, or the neutral switch, or a fuse/link blown.

Sep 06, 2010 | 1997 Geo Metro

1 Answer

Try to start. Dash lights, headlights etc. I get


You could have a start that has gone bad and will need to be replace,or your having a Passlock system problem.

Your Passlock may need to relearn the ignition keys, if the ignition lock has gone bad like my in-laws Grand Am Gt, here is what i did so they will not get stranded any more. Buy a Passlock by pass module for around $70.00. You can orderone from GMPASSLOCK.COM in the mean time try resetting the Passlock. Good luck

Ignition keys relearn takes about 30 min to do. 30-Minute Learn Procedure
1.) Turn ON the ignition, with the engine OFF.
2.) Attempt to start the engine, then release the key to ON; the vehicle will not start.
3.) Observe the SECURITY tell tale light. After approximately 10 minutes, the light will turn OFF.
4.) Turn OFF the ignition switch, and wait 5 seconds.
5.) Repeat steps 1 through 4 - two more times - for a total of 3 cycles of 10 minutes. 3x10 = 30 minutes.
The vehicle is now ready to relearn the Passlock Sensor Data Code and/or passwords on the next ignition switch turn from OFF to CRANK Important: Turn the Ignition Switch OFF. The vehicle learns the Passlock Sensor Data Code and/or password on the next ignition switch transition from OFF to CRANK. You must turn the ignition OFF before attempting to start the vehicle.
6.) Start the engine. The vehicle has now learned the Passlock Sensor Data Code and/or password.
7.) With a scan tool, clear any DTCs if needed. History DTCs will self clear after 100 ignition cycles.

Without a scan tool you may have momentary starter interruptions while history clears itself.

Jan 12, 2010 | 1999 Chevrolet Blazer

3 Answers

Replaced ignition switch 2003 chevy impala and car will not start


After you replace the ignition switch turn the key to start the car and release leave the key were it stops after trying to start wait 10 minutes until security light goes out turn key to full off position then repeat the above procedure two more times for a total of three on the 3rd attempt to start car wait for light to go out then turn key to full off positoion wait 10 seconds then try to start car body control module should learn new pass code and the car should start.
Big john, J@J Automotive

Sep 15, 2009 | 1999 Chevrolet Lumina

2 Answers

1985 190e Engine turns over, won't start


when the car ignition is turn on all accessory lights should lite up telling the computer everything is in good contact. If none of the dash lights is not lighting up you don't have a good ignition contact and computer is not getting any power. your stater will crank and turn the engine over only but the fuel pump and ignition module and other accessary is not turn on, the car will not start. What turn everything on is your computer, computer; control all items like fuel pump, sparks etc. You have to get all dash light working again in order for computer to turn on. Check all the fuses and relay under the hood, next your ignition switch in your steering wheel may be faulty allowing only starter to work and not others. this unit wear out and common problems to all cars, parts is 35 buck to replace and you going to have to take the steering columns apart to get to it. Not easy but it will take time. Get all the dash light working and you will be back in the game. good luck and hope that help some

Aug 06, 2009 | 1985 Mercedes-Benz 190

2 Answers

Dash lights are not working 1999 Mercedes-Benz CLK


most probable cause could be a faulty ignition switch. Does the lights on the dash come on when you turn the key to the on position ? Do they turn off when you turn the car to the start and are about to crank the engine ? If that does not happen you will have to replace the Ignition switch. They don't have a fuse for the dash lights.

Dec 03, 2008 | 1999 Mercedes-Benz CLK

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