Question about 1987 Ford F 250

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How do i check the ignition module - 1987 Ford F 250

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You have to take it off and take it a parts store, call first to see if they have the equipment to do it. Not all stores do.
Randy

Posted on Nov 10, 2010

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I need the wiring diagram for the 2006 chevy avalanche ignition


http://www.bbbind.com/free_tsb.html free wiring diagrams . Ignition switch or ignition system - coils , plugs , wires etc... .
Everything on your vehicle is electronically controlled by the BCM - body control module .
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 BCM uses 3 signals from the ignition switch. These are the Ignition 0, Ignition 1, and Accessory.
Discrete Ignition Signals
Those modules that have discrete ignition signal inputs also remain in the state dictated by the last valid BCM message received on the serial data circuits. They then check the state of their discrete ignition input to determine the current valid state. If the discrete ignition input is active, B+, the modules will fail-safe to the RUN power mode. If the discrete ignition input is not active, open or 0 voltage, the modules will fail-safe to OFF-AWAKE. In this state the modules are constantly checking for a change status message on the serial data circuits and can respond to both local inputs and serial data inputs from other modules on the vehicle.
Your best bet , take it to a qualified repair shop !

May 10, 2017 | Cars & Trucks

1 Answer

How to replace starter switch assembly in 2001 pontiac bonneville


Starter switch ? You do mean ignition switch , the thing on the dash or steering column that you stick the key in ! You car not starting ? The ignition switch isn't the same anymore , sends Discrete Ignition Signals to a module ,in the case of your vehicle it is the DIM - dash integrated module.
The body control system consists of the following 3 modules:
?€¢
The dash integration module (DIM)


?€¢
The instrument panel integration module (IPM)


?€¢
The rear integration module (RIM)

Each of the 3 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; many control signals are implemented by Class 2 messages.
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 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 would be to take to a repair shop that has knowledge of this type system . You probably don't need an ignition switch.
Discrete Ignition Signals Those modules that have discrete ignition signal inputs also remain in the state dictated by the last valid PMM message received on the serial data circuits. They then check the state of their discrete ignition input to determine the current valid state. If the discrete ignition input is active, battery positive voltage, the modules will fail-safe to the RUN power mode. If the discrete ignition input is not active, open or 0 voltage, the modules will fail-safe to OFF-AWAKE. In this state the modules are constantly checking for a change status message on the serial data circuits and can respond to both local inputs and serial data inputs from other modules on the vehicle.

Oct 04, 2016 | 2001 Pontiac Bonneville SLE

1 Answer

Blowing ingnition modules


What is year--make--model? Are you using quality ignition modules?
Check coils--spark plugs--plug wires where applicable. Check good voltage and ground for ignition module. You may need to check ignition module amp draw.
Any applicable trouble codes? If computer controls any ground for ignition, have to check that also.

Dec 02, 2015 | Cars & Trucks

2 Answers

Where is ignition modulator


Ignition module. What type of vehicle????

Jul 10, 2014 | 1999 Chevrolet Silverado 1500

1 Answer

Electrical starting problem, 1988n ford f150 4.9 ltr. I keep getting secondary Ignition. I brunt one starter out already changed it & the starter relay switch , checked ignition switch [o.k], checked...


use ohm meter to check ground to pos cable to starter If 000 check for ground wire on starter it should go to starter bolt. voltage reg stuck open Unplug ignition module check battery if still sparking not module.

Dec 29, 2013 | 1988 Ford F 150

1 Answer

2000 silverado 1500 no spark


check ignition fuse to coil and check see if power getting to coil if yes ignition coil or ignition module faulty.if no power getting to coil and ignition module more likely you have blowed ignition fuse or faulty wiring from ignition fuse box terminal to the ignition coil and module.

Nov 06, 2011 | 2000 Chevrolet Silverado 1500

2 Answers

Change starter its tern but wont start no electriciti going too sparplug


CHECK TO SEE IF IGNITION COILS AND MODULE GETTING BATTERY POWER.IF NOT CHECK THE IGNITION FUSE.IF FUSE OKAY.YOU HAVE FAULTY IGNITION MODULE OR BROKE WIRE TO IGNITION COILS AND IGNITION MODULE..

Mar 02, 2011 | 1992 Oldsmobile Cutlass Ciera

1 Answer

89 k1500 towed, now fuel injectors dont fire. read all wired to and from ecm, check good. ecm will start another truck.


Check the ECM fuse and then check for any loose wire connectors, especially at the fire-wall area, the ignition coil, and the distributor. Then check for battery voltage at the positive side of the ignition coil when the ignition key is in the "On" or "Run" position, and there should also be battery voltage running over from a wire that is also connected to the positive side of the ignition coil, and then that wire will run over from the ignition coil to the ignition module inside of the distributor, and if there is battery voltage there at the ignition module, then either the ignition module or the pick-up coil inside of the distributor will be the most likely suspects for the cause of the problem.

The ignition module and the pick-up coil/stator located inside of the distributor is actually what generates the signal that the ECM (Engine Control Module) uses to time and fire the fuel injectors, as well as the signal to run the fuel pump and the dwell signal timing to fire the ignition coil, and a faulty ignition module can cause any one of these systems to malfunction.

That does sound like it could also be a malfunction with the ignition module inside of the distributor, and you can remove the ignition module and have it tested for free at most auto part stores. If the ignition module does test out alright then the problem could still be in the pick-up coil/stator, (it can be tested using an ohm meter by dis-connecting the wire connector from the pick-up coil/stator and the ohm reading between the two wires from the pick-up coil/stator should be between 500 and 1500 ohm's, and both of the wires from the pick-up coil/stator should show an open loop or an infinite reading between each wire and ground) and if the pick-up coil/stator is found to be faulty then replace the entire distributor, or the distributor will have to be dis-assembled to install a new pick-up coil/stator.

If you do purchase a new ignition module be sure that it does come with a silicone grease or a die-electric compound because it is a heat sink and the ignition module will burn up without it.

To install the new ignition module first clean out the mounting surface inside of the distributor. Then completely coat the metal contact surface under the ignition module with a thick coat the silicone grease or die-electric compound and do not leave any of the metal contact surface of the ignition module un-coated with the silicone grease or die-electric compound, and be very careful not to over-tighten the ignition module or it will be damaged.

The same principal applies to HEI (High Energy Ignition) ignition systems with the ignition coil mounted in the top of the distributor cap.


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Sep 18, 2010 | 1989 Chevrolet K1500

1 Answer

Ignition module


Hi...
The Ignition module of your Century.
Is located UNDER THE IGNITION COILS.
The ignition coils are tie on the ignition module.
But LET ME tell you, something about your problem with the battery,
The Ignition Module is the LESS posible to Drain the Battry,
Because only use 3 connector, and the Ign. module is powered
with the ignition switch, is mean when you Turn the key to OFF.
All the power of the Ign. module Cut off.
If the ignition has no power when the car is OFF, impossible
Drain the battery,

I recomend check that all the lights went off after you close all the doors. Check the glove box light, Trunk light.
Some times the Factory Radio on chevys give up this problem, If the car is equipaded with a Aftermarket alarm.
You should check the circuit.

I'm a mechanic,
I hope this help on your problem.
Thank you for use fixya...

Sep 02, 2008 | 1999 Buick Century

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