Question about 1997 Cadillac Seville

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No electrical at all

My son came to visit. Turned the Seville off and when leaving there is no response at all! No ignition no dash lights, nothing! Possibilities?

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I had the same problem. I just gave the battery terminal cable clamps a push & twist to get me started. When i got home, I removed them, cleaned them & replaced them. Good to go.

Posted on Nov 08, 2008

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Check main fuse.possibly blown.or bad connection at battery terminals,gm has probblems with corrosion mostly on positive terminal.

Posted on Jul 29, 2008

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Posted on Jan 02, 2017

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2000 cadilac seville occasionally doesnt respond when ignition key is inserted, no memory position adjustments, no starter when key turned. is it key or ignition switch. everything usually works fine


Is the security light lit on the instrument when it doesn't start ? The ignition switch on your vehicle doesn't work like you would probably think it does . The ignition switch is input signal to the body control system .
Body Control System Description
The body control system consists of three modules and their associated electrical controls. These modules are as follows:
• The dash integration module (DIM), located on the right hand side of the instrument panel, near the blower motor.
• The instrument panel integration module (IPM), located in the center of the instrument panel, above the radio.
• The rear integration module (RIM), located on the right hand rear of the passenger compartment, behind the rear seat.
Each module integrates input and output controls for two or more functional areas. The inputs and outputs are wired to the closest module to minimize the lenth and amount of the wiring used. All three modules communicate on the Class 2 serial data line, allowing data to be shared among them, as well as with other Class 2 modules on the vehicle as needed.

Each of the three body control modules integrate a number of functional systems under the control of a single module. Each of the modules are connected to the Class 2 serial data line.
Dash Integration Module (DIM)
The dash intergration module (DIM) functions include the following:
• Power moding control (ignition switch states) over Class 2 serial data line
• Control of exterior lamps
• Interior lamps and incandescent dimming
• Steering wheel controls
• Horn relay control for theft activation
• Low side temperature for HVAC compressor
• Hood ajar switch input (export)
• Storage of the clock settings and, sending a message on the class 2 serial data line in response to requests from other modules.

Instrument Panel Integration Module (IPM)
The instrument panel integration module (IPM) functions include the following:
• Front HVAC air delivery and temperature controls
• Ambient light sensor input and twilight delay input for headlights control
• Foglight switch inputs
• I/P dimmer switch input
• Traction control switch input
• Interior lamps switch input
• Key in ignition switch input from the ignition switch
• Fuel door and rear compartment lid release switch input
• Ignition switch headlight control

Rear Integration Module (RIM)
The rear integration module (RIM) functions include the following:
• Fuel level sensor input
• Heated seat controls
• HVAC blower control
• Rear defogger control
• Park brake relay controls
• Various controls for the interior lamps
• Reverse control for the backup lamps and automatic day/night mirror
• Rear foglights control
• Fuel door and rear compartment lid release controls
• Retained accessory power (RAP) control for the sunroof control module
• Ajar switch and tamper switch inputs from the rear compartment lid
• Content theft alarm

At the dealer we would hook up a scan tool and look at the ignition switch inputs to the DIM to see if has correct inputs . Also we would check DTC'S diagnostic trouble codes .
DTC B1805 Ignition Switch Problem

Normal vehicle Class 2 communication does not begin until the system power mode has been identified. The dash integration module (DIM) monitors four discrete wires from the ignition switch contacts in order to determine the present power mode (ignition switch position). The DIM communicates the system power mode to all Class 2 modules on the Class 2 serial data line.
http://www.public.asu.edu/~pheanis/documents/VBI_CLASS2.pd

Jan 12, 2017 | 2000 Cadillac Seville

1 Answer

Why does nothing happens when key is turned to start?


You have a faulty ignition switch relay. It's responsible for using a low voltage signal (key in start position) to send full battery power to your starting circuit.

Sep 03, 2014 | 2000 Mazda MPV

1 Answer

1991 caddillac seville car ingntion turns but car wont turn on all the electrical lights come on


Look for a light on the dash that says antitheft or security. These cars had issues with this system failing and disabling the starter. If you see this light, go to this link. http://vatspasslockpasskeysecurityhelp.yolasite.com/

Oct 07, 2011 | 1991 Cadillac Seville

1 Answer

My son's 1999 Oldsmobile Alero would not start after leaving it for maybe 20 minuts, he had some one boost him but nothing at all, not even a dash light so the next night i went to check it out and when i...


ticking noise in dash could be faulty bcm or body control module.it could be going bad.have car code scan to see if the bcm theft security system has trouble code.

Mar 25, 2011 | 1999 Oldsmobile Alero

2 Answers

Tried to start the truck---nothing happened....the ignition key was turned on but nothing. 3 days ago, same thing happened I turned key and nothing. So what I did---turned key on till red light came...


sounds like a bad connection,it wont heat up the solenoid or the starter,check your hot and negative cables from battery to starter first could be the starter itself, ggod luck

Dec 20, 2010 | 1997 Chevrolet C/K 3500

1 Answer

All the dash warning lights lit up for about 10 seconds


I think you got this one! An electrical short for those systems would have all read as failures during the time of the short. A relay controlling dash lights going bad could also be responsible.

Keep an eye on things and see if the problem manifests itself again.

You may also want to keep a spare relay around just in case! Although, in a pinch, one of the accessory relays that is the same can be swapped to keep you running till you find a parts store.

Good luck and be careful.

Dec 21, 2009 | 2001 Dodge Grand Caravan

1 Answer

Turning ignition key there is silence....battery is ok as lights, radio come on strong. I keep trying, turning the key and moving gear shift et...and maybe it finally connects and engin fires and starts...


When this happens and the key is in the Ignition position, do the dash lights, etc come on? Could be the ignition switch is bad, and this is and easy way to tell. If the ignition is on and when we go to START, nothing happens, I would replace the starter/solenoid next.

Oct 19, 2009 | 1998 Cadillac Seville

1 Answer

2004 Eclipse won't start. When key is turned nothing happens. No electrical power to anything. No lights in dash , no ac, no power locks nothing except for blinking door ajar and ringing alarm. Even with...


sounds like you have an ignition problem, check the ignition fuse under the hood sounds like the fuse is blown, if that dosent work check your starter solinoid

Jul 01, 2009 | 2004 Mitsubishi Eclipse

1 Answer

No electrical power to engine


check you fuses and clean your battery terminals, you might have a relay that controls you ignition. or could be your coil pack.

Dec 03, 2008 | 1996 Volkswagen GTI

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