BATTERIES HOOKED UP WRONG (Help)

[opusm20]

I accidentally hooked up my 2 marine batteries wrong. See before and after below. Once hooked up wrong I turned the selector switch to both and tried to turn the key to check power and had nothing. I noticed the wires were very hot and turned everything off. I then undid the wires and removed the batteries. I took to advance to get checked and was told to charge them, which I did. I installed them back the correct way and STILL HAVE NO POWER! What would be my next move? Any suggestions?

 

[alldodge]

Welcome and sorry to hear about the issue

Many have done the same thing and it's usually never good. What motor do you have?

 

[opusm20]

Welcome and sorry to hear about the issue

Many have done the same thing and it's usually never good. What motor do you have?

Yamaha 115 2 stroke

 

[alldodge]

I moved your thread to the Yam area so maybe some others can help

I took to advance to get checked and was told to charge them,

Measure the Bat's with a meter, a full charged Bat will read 12.7V
Can hope you just shorted the Bat out

 

[flashback]

Bypass the selector switch and connect just one battery and try it, could have easily fried the switch...

 

[KD4UPL]

From your pictures I think what you had was the batteries in series for 24 volts and then a dead short thru your switch set to both. This may have damaged the switch. Depending on which battery is which you may have applied reversed polarity to your boat's wiring when you moved the switch thru the 1 position to both. If you you could have damaged a lot of things. If not it might just be a bad switch.

 

[airshot]

Have been quilty of that in the past...learned my lesson. Now I paint the + lugs and terminals (tops only) with red paint and the - with black paint. All my batteries have obvious color coding on them....it has saved me numerous times when in a hurry !!

 

[silverbul]

fuse?

 

[opusm20]

UPDATE. Thank you all for your suggestions and tips.
Turns out it was a 30amp fuse on the engine that was blown. Everything is working. I learned a valuable lesson this week. So glad it was nothing more.
Thanks again.

 

[silverbul]

In mechanics, always start with the easist and work to the hardest. glad it was only a fuse.