Prolong Charger Cable Prius Gen 2 Fan Pinout

So when this cable you have with the two pins in question connects to the Toyota harness can't you look at the two pins yellow and blue or whatever colors you said and see what they're going to in the Toyota harness wouldn't that be the equivalent so like the black and white wire going to the fan and which is the ground probably and I don't know what the hot wire is I'd have to go out and look at my Gen 2 you could just hold the harness up to the plug it's supposed to go to and see where the yellow and the blue wire go to the Toyota and then that would mean the blue and the yellow wire that the Toyota wires are feeding through the plug you know what they are now because you know what the Toyota wires do do you follow my thinking I know it's bad but I think that's how I would do it I don't care what the people it whoever company proprietary's problem is.. I know that the prolong system when it's connected does work the fan and charging the battery and all that so I would think if you knew what the pins did on the car side you know what they do on the prolongs side of the plug.

 

Don't know much about the prolonged setup that was this the round green and white pancake thing and I know these were costly does this charge the whole complete battery was like you know an output of near 300 volts or is this a low voltage thing that can stay plugged up for weeks at a time or what? The Venice hybrid thing I have has a switch on it with three different output voltages The one for the Gen 2 3 I think puts out right at 300 and generally unless it's being connected to a dead battery the Venice hybrid unit will only run about an hour until it stops increasing the battery voltage and then it's recommended you disconnect it because then you're starting to overcharge matter of fact when I charged or topped off my reasonably new HV battery in my Gen 2 it didn't even sit on their 40 minutes and the rise and voltage drop to the 5 minute no change range where Venice hybrid recommends you disconnect the charger because you are right at full. Sposedly. So that type of charger you could not leave on the battery for any length of time without you frying it. And now I'm interested in some kind of a trickle thing that I could just connect to the battery not have to worry about any fan running and just leave that thing sitting on there whenever the car is parked I guess would be more for me to remember to unplug it so I don't drive off and tear the charger up but I'd like something that could trickle and that it could sit on there for 2 weeks if I was gone without overheating the battery destroying the battery or the charger or what have you. Or maybe it's better I just wait till I get back and put the 300 volts on for 2 hours rather than one or something of that nature?

 

If you've already built a DiY charger why not use the DiY harness to the HV battery?

 

Check out the install for the harness, probably show the wire colors.

2004 – 2009 Toyota Prius Plug-and-Play Car Harness Installation Instructions - Hybrid Automotive

Also

Toyota Prius, 2004 – 2009 - hybrid battery cooling fan inoperative or poor output