Question about 1995-1997 Chevy 1500 Truck Ignition Starter Alarm Switch

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IS THE DISTRIBUTOR NEED TO BE SET IN THE NUMBER ONE POSITION AND

WHAT ABOUT THE FIRING ORDER 98 CHEVY SILVERADO 5.7

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The firing order is 1-8-4-3-6-5-7-2
The distributor turns clockwise.

Sitting in the drivers seat, the left side of the engine has cylinders 1, 3, 5, and 7. Number 1 cylinder is at the front left.
The right side of the engine has cylinders 2, 4, 6, and 8.

You need to set the distributor in the engine block, when Number 1 cylinder's Intake valve has just closed. The piston will be at TDC then. (Top Dead Center)

To do this, make sure the distributor connector from the wiring harness, is not near metal. The black connector that clips up on the side of the distributor. There are three female blade connectors in this connector. You are going to turn the engine over, and don't want the red hot wire to short out against metal.

Remove Number 1 spark plug. No dangling neck chains, or any other jewelery that could accidentally get caught in the fan. (Thanks for letting me say that. I feel better now. I want you to be safe!)
With someone in the vehicle, parking brake on, and their foot on the brake, put your fingertip over the Number 1 spark plug hole. You want to try to seal this hole with your fingertip, the best you can. have this person BUMP the starter over. Watch the harmonic balancer down on the crankshaft. There are lines on it. Look for the line that has 0.

When the Number 1 piston reaches TDC, your finger will be blown by air. Look at the harmonic balancer. You need to turn it back, (Towards the right side of the truck) until it is at 0.

Now you have to slide up on top of the engine. Take a flashlight, and peer inside. You will see a shaft way down in there. This shaft has a wide slot in it. This is the Oil pump rod. You have to take a long, large, flat tip screwdriver, and line this slot up.

This slot has to be lined, up to the tang on the bottom of the distributor. Distributor cap off, the rotor needs to be pointed to 6:30
Straight at the front of the engine. When you set the distributor, however, you'll note the rotor turns, as you set the distributor down in, when it's close to the engine block.

This is because there is a helical gear on the distributor, and one that matches it, on the camshaft. When inserting the distributor, the tang on the bottom of the distributor shaft, needs to be set at about 6:25 or so, so that when you set the distributor, and it turns, it will line up with the slot in the oil pump shaft. (Fun stuff, huh?)

DON'T bump the engine over until the distributor is set correctly, and the distributor base clamp is on, and tightened to a light touch.
You want to be able to turn the distributor by hand later, but don't want the turning over of the engine, to turn it. Just lightly snug on this base clamp.

Start by putting Number 1 spark plug back in. Number 1 cylinder should be marked on the distributor cap. Lightly set the cap on the distributor until it's lined up. Then bring it straight up, and see where the Number 1 tower in the cap, lines up to where the rotor is sitting. You want to start, by having the rotor just a little before Number 1 tower on the cap. Turn the distributor until it is.
Install the distributor cap. Make SURE all clamps are in position, and the cap is seated flat, and correctly. Failure to do, so will break the cap, rotor, and may cause further damage!

Put the spark plug wires on the distributor cap, one at a time starting with the Number 1 spark plug wire. Go clockwise. The next tower is Number 8 spark plug. That's the one on the right side all the way to the back. Then 4, 3, 6, 5, 7, and 2.

Posted on May 11, 2009

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    ledsled378 2926 Solutions July 24, 2010

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Source: Need diagram for spark plug wiring for 1997 Chevy

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    Dennis Weid. 44272 Solutions September 16, 2008

This was all I could come with, hope it helps.



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In the diagram below #1 plug wire is the all white dot on the distributor cap at the bottom 6 Oclock position (slightly to right), the firing order goes in the clockwise direction as the arrow indicates around the cap.




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Firing order on a 305 on the cap. Got the wires all messed up...


This method is good for the firing order on all chevy small block v8 engines from 265 cubic inches to 400 cubic inches. This would include 265, 283, 305, 327, 350, 400 cu. in. chevy small block v8 engines.

Let's cover some safety concerns first. If you try to troubleshoot a mixed up firing order with the engine running, you could be in for a serious shock,.. literally. You can do it, with certain precautions, but you really don't need to check the firing order with the engine running. You definitely don't want to try checking the firing order if you are wearing any kind of pacemaker or sensitive electromechanical prosthesis. The voltage coming out of the ignition coil is in the thousands. Common sense dictates that you wouldn't stick a knife in an electrical outlet, so you wouldn't want to take chances with being shocked by the electrical discharge from your classic chevy's ignition coil either. See the diagram:


5d6424a.png

The firing order, which should be cast into the intake manifold, for the chevy small block V8 is 1-8-4-3-6-5-7-2. The firing order is the numerical sequence in which the spark plugs are fired. The insertion position of each spark plug wire around the circumference of the distributor cap can be found according to a clock face. The insertion sequence determines the firing order. The firing order is followed clockwise around the distributor cap starting from the 6:30 position with the 6:30 position being the number one cylinder spark plug wire.

On classic chevy small block engines that use ignition breaker points instead of electronic ignitions, the number one cylinder is the one immediately clockwise of the small metal sash cover on the distributor cap. The firing order starts here. There is no sash cover on the distributor cap for GM HEI electronic ignitions, and the firing order is the same, but starting at the 5:30 position.
The firing order makes sense if you know how the cylinders are numbered. The number one cylinder is the front most on the drivers side and 2 being the front most on the passenger side. From front to back, the cylinders are odd numbered on the drivers side, and even numbered on the passenger side.

Additional details HERE.

Hope helps (remmeber rated this).

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I took of*** my spark plug wires working on my small block 350 pickup and I don't remember the the firing order to put the new wires back on. Is there a diagram anywhere or is it even that difficult to...


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The firing order, which should be cast into the intake manifold, for the chevy small block V8 is 1-8-4-3-6-5-7-2. The firing order is the numerical sequence in which the spark plugs are fired. The insertion position of each spark plug wire around the circumference of the distributor cap can be found according to a clock face. The insertion sequence determines the firing order. The firing order is followed clockwise around the distributor cap starting from the 6:30 position with the 6:30 position being the number one cylinder spark plug wire.
On classic chevy small block engines that use ignition breaker points instead of electronic ignitions, the number one cylinder is the one immediately clockwise of the small metal sash cover on the distributor cap. The firing order starts here. There is no sash cover on the distributor cap for GM HEI electronic ignitions, and the firing order is the same, but starting at the 5:30 position.
The firing order makes sense if you know how the cylinders are numbered. The number one cylinder is the front most on the drivers side and 2 being the front most on the passenger side. From front to back, the cylinders are odd numbered on the drivers side, and even numbered on the passenger side.
See the diagram; Click to open a printable larger image in a new window. The firing order starts with the number one cylinder. We would connect the number one spark plug wire to the distributor cap terminal in the 6:30 position. distributor.pngSince the next cylinder in the firing order is 8 (passenger side rear), we connect the number 8 spark plug wire to the next distributor cap terminal (approximately 7:30 position) in the clockwise direction from number one. You need to be sure you continue the firing order in the clockwise direction around the chevy small block distributor cap from the last installed spark plug wire. Setting the rest of the firing order is just a matter of repetition. Be sure to count the spark plugs from front to back on each side of the motor to identify the correct cylinder number in the firing order.

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http://www.classiccarauto.com/impala/how_to/images/distributor.png

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d2f5142.gifi hope this is what you are looking for
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