[swaddict]

find your model here
http://www.power-pole.com/JLMarine/Support/InstructionManual.aspx?Supp

if it's milky,you might have water getting into the fluid, otherwise it is pretty straight forward to fill, move the rocker switch up and down, then fill to 'fill line'

 

[DBStoots]

Thanks. No need to drain or flush the old fluid out and let some new fluid run through and out of the system first?

 

[swaddict]

Thanks.  No need to drain or flush the old fluid out and let some new fluid run through and out of the system first?

yes, get as much of the old fluid out as possible, especially if it's milky