No power after reconnecting battery?

[Josiah]

Hello everyone, I just got my moms Chevy S10 2.2 engine back in, and when I went to turn the engine over to prime it with oil (I had just plugged the battery up after 4 months of sitting waiting for it’s engine to be rebuilt), there was nothing. I unplugged the battery and looked around to make sure I didn’t forget to screw down a ground. As far as I can see, all grounds are bolted down. I do not have the coil packs plugged in so it would nor start. I also dont have the coolant temp sensor, throttle body, or air sensors plugged in because I wanted to leave as many parts off to prime so I could get the spark plugs in easier.
(also have the fuel pump fuse out). When I went back and plugged the battery back in, I heard a humming noise coming from the computer on the left side. I went and tried to turn over, and there was nothing. No beep when i inserted the key, nothing. I unplugged the battery again because I didn’t want anything to happen, lol.

Could the battery really go completely out over 4 months?

FYI. When I was taking the engine out of the truck, I forgot to unplug the battery. First, I was doing something on the top of the engine (can’t remember exactly what), and I saw little sparks coming from around the wiring harness. I continued working thinking it was fine. A few hours later, I was fishing my ratchet up from underneath the truck trying to remove the exhaust bolts. After my ratchet had already touched the bolt and I was just about to loosen, smoke came from I don’t know where, somewhere around the bolts, and a little flame came up (The closes wire was the o2 sensor). I hurried to the house for the fire extinguisher, and when I came back the flames were gone. I unplugged the battery and continued working without any other problems. Today was the first time I reconnected the battery after the fire.

Is there something wrong with the wiring? I don’t know what to do. Should i trust it?

Topic

[zero]

Under the best of conditions a battery will drain in a modern vehicle in about 30 days. So yes, after 4 moths it could definitely be dead. If it’s a serviceable battery make sure it’s full of water. Charge it on a low charge overnight or a full day to avoid straining your alternator. There is a specific video about this somewhere on here.

Here it is.

[Ken]

You let the smoke out. And the sparks.

Whats your battery voltage?

There are definitely wiring issues due to not disconnecting the battery. Start near where you saw the smoke and find the burnt wires. Hopefully just a fuseable link.

[Josiah]

[quote=”kbeefy” post=140204]You let the smoke out. And the sparks.

Whats your battery voltage?

There are definitely wiring issues due to not disconnecting the battery. Start near where you saw the smoke and find the burnt wires. Hopefully just a fuseable link.[/quote]

When I took the engine out, I inspected the wiring, everything looked fine. I don’t have a multi meter, isn’t that what you use to check voltage?

[Ken]

Multimeter is one of the tools you can use. You’re gonna need one before this job is over, you can probably pick one up for $10. They’re a handy tool to have.

[Author]

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