hand control power capacity

[uhoh0573]

How many volts/amps are the hand controls on an 04 made to handle?

 

[DRBarnhart]

According to a member here that used to work for BDM the switches are rated for 12VDC/~250mA.

Dennis

 

[uhoh0573]

Thats good news... im working on a simple board to operate my mastiff in place of the ehc, but i needed the switches to be 12v and the only thread i could find mentioned they could possibly be only 5v. 250ma still works great as a signal.

Thanks!

 

[bearman]

I don't know if the 2004 hand controls are the same as the later ones.

I do know that the 2005 up are rated for 250ma @ 5vdc or 1.25 watt.
You can use 12vdc with these but you only have about 100ma capacity.

 

[DRBarnhart]

I do know that the 2005 up are rated for 250ma @ 5vdc.

Where did this info come from? Not doubting it, just curious...

Thanks!

Dennis

 

[Diesel Dan]

Where did this info come from? Not doubting it, just curious...

Thanks!

Dennis

MasterChief Raywood has told me this multiple times during long BS session we have had in the past.........

 

[uhoh0573]

Anybody have any definite answers on these? I will be using the buttons to switch relays, if they wont handle the relays i will have to switch them through a 555 timer. I ordered and installed a signal dynamics penta-star turn signal/brake module that works very well for $107 to my door.

 

[RAW Blue Rider]

Then it must be so!

 

[bigdogtech01]

2004 and up is 5 VDC.

 

[bearman]

see
http://www.bigdogbiker.com/forums/technical/11183-night-trains-tech-tip-week.html

post #11

 

[uhoh0573]

Looking at the pc board in my right hand control vs the one i have from an 05 chopper, they do have different momentary contacts. Has anyone ever physically measured the voltage signal in the 04 units? Parts lists also call out a different part # for 04 and 05 controls.

 

[DRBarnhart]

see
http://www.bigdogbiker.com/forums/technical/11183-night-trains-tech-tip-week.html

post #11

That's where I got my info. Since Jake was talking about 12V and Mike's response was "big dog hand controls are rated at about 250mA" I took that to mean "12V/250mA"...

Dennis

 

[uhoh0573]

I went ahead and built a very simple circuit that allows a 30A relay that normally draws 150MA to be switched by 10MA. I will populate a pc board with 4 of these, 1 switching a 40A relay for the starter solenoid, and the rest switching 10A relays for horn, high/low beam via solid state latching relay, and run/stop function via latching relay.

 

[bearman]

you might need another 10A relay for the brake lights.

It sounds like your on your way to a simple solution.
If you search here and dig down through all the rewiring threads you will find where a member found a way to power our turn signals with a capacitor for self canceling.

 

[uhoh0573]

The penta star is a direct wire in and takes care of all turn and stop functions, plus its low draw to the buttons. If anyone wants to fire a 100MA or less relay with the hand control buttons make sure a diode wired in backwards across the relay coil is used to keep from backfeeding stored electricity through the button contacts, much like a set of points.