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Old 03-03-2019, 01:54 PM   #9
jamesham
Senior Member
 
Join Date: Aug 2015
Posts: 125
Default good point made

Good point made about buying continuous duty solenoid.
To be clear, mine only looks like the 100amp ones used by Ford in the 60s mounted on the firewall to crank the engine. In reality, mine is a very heavy duty solenoid designed for continuous duty with more amp capacity than Alternator or cables. Cheapest on Amazon if not in a rush for delivery. Actually made in the USA...what a surprise.

A more modern alternative would be a large battery isolator that is really nothing more than a very big one-way diode with a big heat sink. No relay contacts to corrode or burn, but more expensive.

[QUOTE=Restorium;27426][QUOTE=jamesham;27424]
A starter solenoid is designed to be on for only a short time. The right solenoid for the job is one designed to be on for extended times. If you use the starter solenoid it will burn out. Look for one that is described 'continuous duty cycle'.
Like this one;
[url]https://www.walmart.com/ip/NEW-12V-150A-CONTINUOUS-DUTY-SOLENOID-RELAY-FOR-GOLF-CARTS-
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