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I changed the distributor, the rotor and cap the plugs the…

Customer Question
I changed the distributor...

I changed the distributor, the rotor and cap the plugs the wires now I'm not getting power to the coil in one of the wires

Mechanic's Assistant: Have you checked all the fuses? Do you have a wiring diagram?

No

Mechanic's Assistant: What is the model/year of your Chevy?

97 GMC 1500 5.7

Mechanic's Assistant: Are you fixing your 2500 yourself? What have you tried so far?

1500, yes I'm fixing it myself. I changed everything the crank sensor the coil distributor I don't know what else you could be

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

Yeah I would like to know how I can get power to the coil what could it be a fuse

Submitted: 6 months ago.Category: Chevy
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Answered in 6 minutes by:
1/7/2018
Chevy Mechanic: david craig, Auto Mechanic replied 6 months ago
david craig
david craig, Auto Mechanic
Category: Chevy
Satisfied Customers: 5,773
Experience: owner/mechanic at 3D Automotive
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Hi my name is ***** ***** I'll be more than happy to assist you. Please allow me a few minutes to review your information. Thank you

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Customer reply replied 6 months ago
They seem to be fine, I have power going into the plug from the pink wire the other two wires Ones white the other one looks white with a black line in it these three wires go into a harness that plug into the coil I don't have power and the other two wires only the pink one
Chevy Mechanic: david craig, Auto Mechanic replied 6 months ago

ok please standby

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Chevy Mechanic: david craig, Auto Mechanic replied 6 months ago

you arent going to have power on those wires. they are signal wires.

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Chevy Mechanic: david craig, Auto Mechanic replied 6 months ago

if you have a signal wire its going to be a low ac voltage

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Chevy Mechanic: david craig, Auto Mechanic replied 6 months ago

all of that is coming out of the ICM

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Customer reply replied 6 months ago
For some reason I'm not getting any spark whatsoever I changed the crank sensor I change the rotor the cap the distributor the coil I don't understand why it does not have any Spark
Chevy Mechanic: david craig, Auto Mechanic replied 6 months ago

That is because the ICM is bad. everything starts there. it then goes to the coil then to the distributor and then to the plugs

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Customer reply replied 6 months ago
Is that a big fuse in the fuse relay Center
Chevy Mechanic: david craig, Auto Mechanic replied 6 months ago

run through this test

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Customer reply replied 6 months ago
I change that yesterday
Customer reply replied 6 months ago
Where is the ICM located
Chevy Mechanic: david craig, Auto Mechanic replied 6 months ago

ok, if you changed that yesterday then its going to be a wiring issue. please do the test that I attached.

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Customer reply replied 6 months ago
The truck turns over like it wants to start but it has no spark
Customer reply replied 6 months ago
The truck turns over like it wants to start but it has no spark.
Chevy Mechanic: david craig, Auto Mechanic replied 6 months ago

ok, once again, do the tests that I sent.

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Chevy Mechanic: david craig, Auto Mechanic replied 6 months ago

it is all self-explanatory and all you need is a voltmeter and a spark tester.

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Chevy Mechanic: david craig, Auto Mechanic replied 6 months ago

let me know if you need any help with the steps

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Chevy Mechanic: david craig, Auto Mechanic replied 6 months ago

Ill be back on in a bit

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Chevy Mechanic: david craig, Auto Mechanic replied 6 months ago

hows it going?

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