After head gasket change, no start. C1500

[Skylar M]

So after full charge, no start. Still just click.

 

[Sean Buick 76]

I think the battery is dead, as in needs to be replaced.

 

[xXxPARAGONxXx]

So after full charge, no start. Still just click.

Check battery terminals and cables. Clean any corrosion. Ensure proper fitment.

Single click is possibly faulty starter solenoid. Hit the starter with a mallet while someone turns the ignition key.

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[movietvet]

So after full charge, no start. Still just click.

But, after a full charge, what was the voltage reading and did it hold a charge? Load tested? Tap the body of starter and see if it frees up and will crank. Voltage at the cable end at starter?

 

[mattillac]

Op mentioned a relearn which I think is a passlock term, that relearn (leaving the key in the run position for extended periods of time) process is probably counter productive in the case of trying to get the starter to turn, discharging the battery isn't going to help solve that.

FWIW 1998 came equipped with passlock (theft deterrent), my understanding is that it disables the injectors. So the starter and fuel pump aren't going to be interrupted by it.

The 1998 (gas) starting circuit / diagram can be found here.

1998_GMT-98_CK-3_SERVICE_MANUAL-VOLUME_3_of_4

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Located on page 1014 in my pdf viewer, it is labeled as page 6-994

The above manual is from this thread here.

88-98 Service Manuals

Over the years I have collected a bunch of GM service literature. Links to PDF Scans of service and STG manuals and a links to the Parts manuals. You'll need the FREE Adobe Acrobat reader to open these files. Get it directly from Adobe here {http://get.adobe.com/reader/} If you're not...

www.gmt400.com

Thanks to forum members for those manuals.

Seems as though the starter circuit is a somewhat simple to diagnose, it doesn't rely on the computer, unlike those other issues mentioned in the OP.

Curious as to where the sound of the "click" is coming from, such as the starter relay or the starter itself or maybe even somewhere else.

Best of luck and welcome.

 

[Erik the Awful]

There's a ground on the front of the block on the passenger side of the timing cover. Did you take it loose and forget to bolt it back down?

 

[Thatlowchevy]

On one of the many project GMT400s I’ve owned. I replaced head gaskets on a 98, same scenario. No crank no start, ended up being a combination of missing ground and a wire that got pinched when I put the heads back on. Check around the backside of your heads and make sure no wires fell victim to the clamping force of the head. After I repaired the wire that was pinched and replaced the missing ground she fired right up. That one didn’t last long though as I didn’t know at the time a ‘95 transmission was a one year only deal. And me being 16 at the time couldn’t afford the correct transmission. Also remember KISS. Keep it simple stupid

 

[Skylar M]

Thank you all for the replies. I don’t think The battery is the problem as the battery and starter were actually changed for both new ones together on feb 10 2022. I actually have done the big 3 upgrade before and switched out the negatives and positives with 4 gauge. I keep track of everything that I do to my vehicles and when. So i dont think bad starter. I’ll check the relay though to make sure. I think I will need to check my grounds and the wires around. But if the starter wasn’t grounded correctly, would that keep the fuel pump from priming? you can usually, clearly here the fuel prime when you turn the key to the on position. But now nothing. The relay is still good based off multimeter test.

 

[Skylar M]

Visuals.

 

[Nad_Yvalhosert]

Single click is possibly faulty starter solenoid. Hit the starter with a mallet while someone turns the ignition key.

DO NOT, I repeat DO NOT hit a gear reduction starter with a hammer. I'd it's not dead, it will be after hitting it