Question about 1995 GMC Sierra C1500
Wrong the number one is important. most caps are marked most always GM Small blocks the one is towarws the frount of the car or pointing right at the number 1 cyclinder if nessary and the distrubutor has been removed from theengine or the timing chain is in quesation then the cap needs to be removed and the engine turned buy hand to line up the timing mark on the damper and then see where the rotor on the distrubutor is pointing. As the timing could be off the rotor should be pointing to the number one or number six as the rotor turns 1/2 speed of the crank. With it on the mark watching the dist turn the crank backwards to see if the chain is bad. if the crank turns more the 15 degrees before the rotor moved the chain is too worn and all kinds of running problems are possible. Ifits Ok put the number one where the rotor is pionting and put themon in the firing order. Tighting to bolt on the crank is the direction of retation and watching the rotor turn will tell you whick way the next wire goes. Connect all the wires air cleaner and all and starter up. If it back fires thoubnt the air claener your 180 out and the wires are half a turn off. Switch them from one side of the cap to the other and count it out to see if your still in order and then start it again if it kicks the starter its one to the counterclockwase to far and if it doesn't hit at all or barely runs with little power your to the clockwise one to far
Posted on Feb 07, 2010
Testimonial: "Very helpful! Why can't manuls just explain it in clear terms?"
If you stand exactly in front of the engine and look at the distributor #1 wire is to your right and #8 is to your left, exactly in the front of the distributor.
Firing order is : 1-8-4-3-6-5-7-2 rotor is turning clockwise.
This does matter, line it up this way and you will not have a problem.
Always rember on a 350 as you are standing in front of the engine, the right side of the block extends out just a little, that is how you know where #1 cylinder is.
1-3-5-7 on the right 2-4-6-8 on the left.
Please let me know how it goes.
Posted on Feb 07, 2010
Testimonial: "Worked great! Thanks for the description."
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Posted on Jan 02, 2017
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Jan 19, 2014 | Cars & Trucks
GM Cavalier/Sunfire 1995-2000 Repair Guide
See Figures 1 and 2
To avoid confusion, remove and tag the spark plug wires one at a time, for replacement.
If a distributor is not keyed for installation with only one orientation, it could have been removed previously and rewired. The resultant wiring would hold the correct firing order, but could change the relative placement of the plug towers in relation to the engine. For this reason it is imperative that you label all wires before disconnecting any of them. Also, before removal, compare the current wiring with the accompanying illustrations. If the current wiring does not match, make notes to reflect how your engine is wired.
Fig. Fig. 1: 2.2L (VIN 4) Engine Firing Order: 1-3-4-2 Distributorless Ignition System
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