1977 Jeep Cj5 won't start - JeepForum.com
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post #1 of 42 Old 04-17-2017, 01:12 PM Thread Starter
Bluefire35
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1977 Jeep Cj5 won't start

Bought a 77 cj5 and started up fine when I bought it but I changed the spark plugs the cap ,the coil for a tune up and it won't start now

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post #2 of 42 Old 04-17-2017, 01:48 PM
STJP
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Blue,

Have you checked to see if you are getting spark at plug wires?

Could you have accidentally disconnected wires?

Send pictures of wires, distributor, and someone here will be able to help you.

JS
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post #3 of 42 Old 04-17-2017, 02:05 PM
Matt1981CJ7
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Wrong firing order perhaps?

Matt


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post #4 of 42 Old 04-17-2017, 02:54 PM Thread Starter
Bluefire35
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Got the order right checked all the wires and got the gap at .035 not sure if they are all firing though

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post #5 of 42 Old 04-17-2017, 06:49 PM Thread Starter
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Top, left and right view

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post #6 of 42 Old 04-17-2017, 07:35 PM
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Top, left and right view

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Not being a smartass but you do realize the positive battery cable is diconnected in your pictures. I assume you do but you never know.

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post #7 of 42 Old 04-17-2017, 07:36 PM
NittanyGen
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Got the order right checked all the wires and got the gap at .035 not sure if they are all firing though

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Even if youre not firing on a cylinder or two, you should at least have some sort of signs of life. Does it try to run at all, or just continuous crankspin with no fire?

Pull one plug and make sure you're getting good strong spark, that will rule out a defective coil. Are you getting fuel to the carburetor?
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post #8 of 42 Old 04-17-2017, 07:56 PM Thread Starter
Bluefire35
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Even if youre not firing on a cylinder or two, you should at least have some sort of signs of life. Does it try to run at all, or just continuous crankspin with no fire?

Pull one plug and make sure you're getting good strong spark, that will rule out a defective coil. Are you getting fuel to the carburetor?
Coil is new and Yea I get spark. When I crank it it sounds like it wants to start but doesn't turn over

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post #9 of 42 Old 04-17-2017, 08:55 PM
pedal2themetai
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Hi, did you change the rotor or at least clean it? Now spark, fuel and air is all that is needed to run.. if you know you have spark then dump some fuel into the carb and see if it starts.. if it does not start then you have the firing order off. do you have the right rotation on your firing order CW or CCW.
good luck
tim
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post #10 of 42 Old 04-18-2017, 07:22 AM
Matt1981CJ7
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If you've got spark at every plug while cranking, then it's gotta be fuel related.

As Tim said, dump some fuel in the carb (about a shot glass worth), or use starter fluid. If it fires and runs briefly, then suspect a bad fuel pump, a clog or air leak in the fuel lines, or a plugged up fuel filter.

Matt


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post #11 of 42 Old 04-18-2017, 08:47 AM
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Were are the wires that should be hooked up to the other terminal on the starter solenoid? Looks like the red pair are hanging below? You may get a weak spark when cranking, but without a full 12v to the coil while cranking, it might not be enough to get the motor started.
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post #12 of 42 Old 04-18-2017, 01:20 PM Thread Starter
Bluefire35
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Originally Posted by Matt1981CJ7 View Post
If you've got spark at every plug while cranking, then it's gotta be fuel related.

As Tim said, dump some fuel in the carb (about a shot glass worth), or use starter fluid. If it fires and runs briefly, then suspect a bad fuel pump, a clog or air leak in the fuel lines, or a plugged up fuel filter.

Matt
I've tried starter fluid but it still doesn't wanna turn over I'll replace the fuel filter today and the fuel pump has already been replace it started before running fine no stalling or shutting off so that why I don't think it has anything to do with the lines but I'll try

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post #13 of 42 Old 04-18-2017, 01:27 PM Thread Starter
Bluefire35
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Originally Posted by Fourtrail View Post
Were are the wires that should be hooked up to the other terminal on the starter solenoid? Looks like the red pair are hanging below? You may get a weak spark when cranking, but without a full 12v to the coil while cranking, it might not be enough to get the motor started.
It's connected exactly how it was before I just don't get how it could be running strong then after replacing the cap and plugs and ignition module it doesn't wanna turn over

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post #14 of 42 Old 04-18-2017, 02:11 PM
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That's the first time you've mentioned an ignition module.

JS
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post #15 of 42 Old 04-18-2017, 02:14 PM
WapitiJ
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It's connected exactly how it was before I just don't get how it could be running strong then after replacing the cap and plugs and ignition module it doesn't wanna turn over

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What type of ignition module did you use?

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