quick wiring question (weird one)

Cast-A-Way

Petty Officer 2nd Class
Joined
May 9, 2008
Messages
138
Hi Guys

I went out on my buddy's boat yesterday for a bit of fishing and noticed the positive lead from the engine has a red sleeve on the cable that says "do not connect to positive" and the other cable is black connected to ground

He has a 50 hp 1999 mercury all seems to run but the only thing is it cranks over slowly and battery drains quickly.(could be old battery)

could they be hooked up wrong ? I doubt it
has anyone ever seen that red sleeve on what seems to be the positive lead ?

I will go over this am and see if the wire runs back to the coil and do a few check with my meter but was just curious.

Thank you
 
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