appears to be best to connect on negative terminal based on comment from manufacturer? Is that correct? Anyone done that method?

Yes, recommend to install this cut off switches on the negative, not the positive (lower current in negative, will be more safety).

Can i use this switch to send power to a winch on a garden tractor

Probably not advisable. This switch is intended to 1) isolate a battery during periods of storage so things which continue to draw minimal current when a vehicle is off, do not drain the battery over long periods, or 2) Perform an emergency battery disconnect as in the case of a race car or off road vehicle. You are proposing to use it as a high current switch (winch motors are usually current hogs) and the result will be contact pitting, and possibly even welding together of the contacts in the extreme case.

Can you order spare keys? my buddy borrowed my dump trailer and lost both my keys. thank you!

If that does not work its a bad switch

Can i use this switch to send power to a winch on a garden tractor

No, this item is a Battery Switch for cut off the power.

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🔋 Cut the power, not your peace of mind!

DUAL KEY SECURITY - Two removable keys prevent accidental or unauthorized use
LEAKAGE PREVENTION - Stops battery drain when your vehicle or marine gear is idle
DURABLE WEATHERPROOF - Waterproof cover protects keyhole for long-lasting reliability
POWERFUL 200 A CAPACITY - Handles heavy-duty 12-24V battery systems with ease
UNIVERSAL COMPATIBILITY - Fits seamlessly with most DC 12-24V electrical setups

The Ampper 12V-24V Battery Cut Terminal Switch is a robust 200A-rated device designed to isolate and protect your battery-powered systems. Featuring dual removable keys and a waterproof keyhole cover, it prevents power leakage and unauthorized use, making it ideal for vehicles, marine applications, and other electrical equipment. Easy to install and universally compatible, it ensures your battery stays charged and secure when not in use.

Manufacturer	Ampper
Part number	Am-CBS11
Item Weight	45.4 g
Product Dimensions	10.92 x 5.84 x 5.84 cm; 45.36 g
Is Discontinued By Manufacturer	No
Size	Battery Switch 2Keys
Color	On-Off
Voltage	12 Volts
Switch Type	1-way
Mounting Type	パネルマウント
Special Features	カーバッテリーシステムに使用。, バッテリーを安全に切断します。, 車両やボートを使用していないときのバッテリーからの電力消費を排除します。, 電気システムを隔離して固定します。, 電気機器のスイッチ
Batteries Included	No
Batteries Required?	No
Item Dimensions LxWxH	10.9 x 5.8 x 5.8 cm

Ampper 12V-24V Battery Cut Terminal Switch 200A Universal Switch Protection Power Supply Anti-leakage (2 Keys)

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