Question about 1989 Chevrolet C1500

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Need wireing diagrham for 350 c10 chevy truck.i have fireing order but not shure where wires go.if you could sem me email that would be great.

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Hey fishernash4,

Viewed from above, front of vehicle at the bottom, cylinder locations are:
8 7
6 5
4 3
2 1

The distributor rotation is clockwise.

To find Top dead center (for wire to cylinder #1 on distributor), look for and line up the timing marks on the crankshaft (front of the engine).

Or, pull the #1 spark plug, stuff the hole with a cork or a rag. Slowly crank the engine until the cork pops out. Pull the distributor off. The rotor is pointing where the plug for cylinder #1 should go. The rest of the wires go in the firing order clockwise.

Firing order: 1-8-4-3-6-5-7-2

That about covers it.

Remember: Good things come to those who rate. How about a nice FixYa?

Mike

Posted on Aug 20, 2008

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Have replaced the fuel pump the distributer, cap and rotor, and coil. Under a load the engine back fires. This is the same as before the replacement parts were installed. Any suggestions????
Paul

Posted on Apr 30, 2009

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Jan 06, 2016 | GMC Cars & Trucks

1 Answer

I have a 1986 Chevrolet C10 pickup with a 350 engine. No spark. I have changed distributer, control module, coil, distributor cap and rotor and still nothing. Any suggestions????


There is a ground wire that normally goes from the block(somewhere near the distributor and connects to the firewall.
I have yet to see a 350 start without that wire connected to the firewall. It always sems to work for me.

Oct 31, 2013 | Cars & Trucks

1 Answer

I have a 1985 Chevy 350 with an ac delco hei distributor and i have the plug wires crossed up somewhere. I need a diagram to show the correct plug wire placement please. Thanks


This should do it.
You can also do an internet search for a standard 350 Chevy engine.
The firing order is 1-8-4-3-6-5-7-2
The order is the same for engines from the mid 1990s back to the late 1970s.

images?q=tbn:and9gctgooegtkmpd2von7rsnyth6zhjrqslhu5zh4othxp_vwy1j9ss

Jan 16, 2013 | Cars & Trucks

1 Answer

Need firing order for chevy 350ci


the firing order is--1-8-4-3-6-5-7-2, rotation of rotor button, is clockwise. 1985 chevy 350, the # 1 should be stamped on cap where wires plug in to it. if not then call a auto parts store like auto zone and they should be able to help. good-luck!!

Sep 06, 2010 | 1985 Chevrolet C1500

1 Answer

How to put spark plug wires back on distubtor cap on 350 chevy


Firing order. 18436572

Find number one and place the wires on it in firing order, in a clockwise circle

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We've replaced the distributor cap and rotor in our 1985 Chevy C10 305 V8 and still have to fire TO the plugs. It won't start


This is a one piece distributor. It has the coil and pickup sensor all built in. Check and see if you have 12 volts on the large red wire that plugs into the cap while the key is on. (The other wire is for a tachometer if you have one). If you have power and there is no spark from your ignition wires, your pickup module is bad in the distributer. Very rarely have I seen a failed coil.

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1 Answer

Change plugs and wire and engine will not acclerate. This is a built 350 short block chevy with pro charger.


350 Chevy engine in what? 1990 Corvette? Who built it, did you?

Sounds as though you have plug wires wrong.
Firing order is 1-8-4-3-6-5-7-2

Distributor Ignition System:
Distributor rotates Clockwise. (Rotor)
Find Number 1 tower on distributor cap, go Clockwise with Firing Order.

Distributorless Ignition System:
VIEWING the engine from the Front of the car.

Spark plug wire connections along the back, starting from Left side going to Right side;
2-3-7-4

Spark plug wire connection towards the Front of the engine;
6-1-5-8

(To guess I would say you have 5 and 7 wires switched)

Left side cylinder order is 1-3-5-7, going from front to back.
Drivers side is Left side.
Right side cylinder order is 2-4-6-8, going from front to back.

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3 Answers

1990 chevy 350 distributor wiring diagram and firing order


The firing order is 1-8-4-3-6-5-7-2.
The distributor rotates in a clockwise direction. The engine must be on the compression stroke on the #1 cylinder. Line up the timing marks. Remove the cap and the rotor should be pointing to approximately the 5 o'clock position.

Good Luck

Mar 06, 2009 | 1990 Chevrolet C1500

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