Boat Battery Cables Get Hot When Cranking

Bad starter bushings will cause too much voltage draw when operating the starter resulting in hot starter windings and battery cables.

Boat battery cables get hot when cranking.

If the wires are getting hot but the engine isn t turning over then the starter is bad or the big wire going to the starter is shorted. The wire that goes from the sylinoid to the starter is so hot you. A bad ground too much resistance will cause hot wires. Then the motor isn t starting and your over heating the cables by using the starter too much.

If the terminals are not clean there s a thin film of corrosion that s formed on the clam. Going up a size or 2 is worth it in the long run. I recommend building cables larger than stock. One year and two completely dead new cranking batteries.

Its a 1962 ford ranchero with a 200 six and a 3 speed standard transmission. When i go to start it it starts perfect when cold but after it has been running and i go in to start it it cranks very slowly. Something is draining the cranking battery and i cant figure it out. When i got it winterized last year at the local marine shop they fixed the wiring problems for 250.

When even two 12 volt batteries in parallel can t get the job done or if you re the aaa emergency service vehicle that must by hook or by crook start anything it s. Your order may be eligible for ship to home and shipping is free on all online orders of 35 00. Although some of the wiring problems are fixed switches not working. For very long cables for example 15 foot long battery cables to relocate your battery go one size larger.

Cranking a motor to try and start it for over 30 seconds will make everything too hot. Check here for special coupons and promotions. Most of the cost is the ends and labor. It s the biggest electrical load placed on the battery.

If wires get hot when you try to start it and the motor is spinning over. The manufacturers make stock battery cables as small as possible but still get the job done. The battery posts get very hot along with the cables and the starter itself.