Toggle Switch

Toggle Switch
What is the third prong named "load" on a automotive toggle switch?

There are three prongs on a automotive toggle I have. The left says "Power," I know that's positive, the far right says "Ground," and I know that's negative.
The middle says "Load." What is it for? It's a lighted toggle switch so I suspect it has something to do with it.
How is it supposed to be wired to make it work?

You can use an ohmmeter to check the resistance from one terminal to another. The terminals that go from infinite resistance to almost none when you operate the switch are the ones that you connect to the circuit you're looking to operate.

I can only assume that ground is the common return for both other terminals.

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Shop->Sports and Outdoors->Boating and Sailing Accessories

 
Waterproof DC 4 Position Booted Toggle & Fuse (Paneltronics)
from $ 60.52
 
Each switch has a silicone rubber boot to protect from water and dust. Splash proof fuse holders with 10 Amp fuses provide overcurrent protection.
 
Stock Status : In 4 Stores
 

 
Seasense Led Switch Panel 4 Gang with Breaker And Rubber Boots
from $ 44.19
 

 
Stock Status : In 2 Stores
 

 
Blue Sea Systems #7289 triple pole circuit breaker 80A White (Blue Sea)
from $ 100.30
 

 
Stock Status : In 2 Stores
 

 
Blue Sea Systems #7270 triple pole circuit breaker 250A White (Blue Sea)
from $ 132.97
 

 
Stock Status : In 2 Stores
 

 
Blue Sea Systems #7267 triple pole circuit breaker 150A White (Blue Sea)
from $ 103.04
 

 
Stock Status : In 4 Stores
 
Standard 12 Piece Boat Toggle Switch / Breaker Set
USD 97.95
 
Great Lakes Skipper Please visit Great Lakes Skipper for THOUSANDS of new, hard to find boat parts and other marine surplus! We are selling a toggle switch and circuit breaker set from Carling and JOEMEX. Set Includes: (2) JOEMEX 10A 125VAC breakers (2) JOEMEX 5A 125VAV breakers (2) JOEMEX 7A 125VAC breakers (4) Carling Carling 10A-250VAC, 15A-125VAC, 2 spade toggle switches (1) Carling Momentary 10A-250VAC, 15A-250VAC, 2 spade toggle switch (1) Carling ON/OFF/ON 10A-125VAC, 15A-250VAC, 6 spade toggle switch Uses 3/8" OD cutout. Sold as seen in pictures.
 

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Stock Status : in-stock
 
Carling 9 Piece Boat Toggle Switch Set W/ Horn, Ignitio
USD 87.99
 
Great Lakes Skipper Click any image for larger view in a new window Great Lakes Skipper Please visit Great Lakes Skipper for THOUSANDS of new, hard to find boat parts and other marine surplus! We are selling a new, out of box 12 volt stainless steel Carling 9 piece toggle switch set.Includes: (4) On/Off; 2 spade, 5/8 x 1 1/4 cutout (2) On/Off/On; 6 spade, 3/4 x 1 1/4 cutout (1) On/Off; Momentary Push button horn, 2 spade, 1/2 x 1 cutout (1) Ignition switch; 6 pin connector, 1 1/2 diameter cutou
 

Notes : Earn 2% eBay Bucks on qualifying purchases! Backed by eBay Buyer Protection Program. Terms and Conditions apply.
Stock Status : in-stock
 
Carling 8 Piece Boat Toggle Switch Set (kit)
USD 89.99
 
Included are the following Carling toggle switches: (4) On/Off, 2 spade connectors (2) On/Off/On, 6 spade connectors (1) Momentary On/Off horn switch, 2 spade connectors Also includes 12 volt power supply. GLS Stock Number: 1021475FS--1HC3--D2
 

Notes : Earn 2% eBay Bucks on qualifying purchases! Backed by eBay Buyer Protection Program. Terms and Conditions apply.
Stock Status : in-stock
 
Standard 10 Piece I/o Boat Toggle Switch Set Kit
USD 79.95
 
Great Lakes Skipper Click any image for larger view in a new window Great Lakes Skipper Please visit Great Lakes Skipper for THOUSANDS of new, hard to find boat parts and other marine surplus! We are selling a NEW, out of the box, universal toggle switch set, manufacturer unknown. This switch set includes (6) 10A silver toggle switches, (1) red push button horn sounder, (1) 12V outlet receptacle, (1) red warning indicator light and ignition switch for inboard / outboard engine. (2) RU E60272 LR
 

Notes : Earn 2% eBay Bucks on qualifying purchases! Backed by eBay Buyer Protection Program. Terms and Conditions apply.
Stock Status : in-stock
 
Carling 6 Piece Boat Toggle Switch Set W/ Horn Button
USD 57.99
 
Great Lakes Skipper Click any image for larger view in a new window Great Lakes Skipper Please visit Great Lakes Skipper for THOUSANDS of new, hard to find boat parts and other marine surplus! We are selling a new Carling toggle switch set.Included are the following Carling toggle switches: (4) On/Off, red illuminated, 3 spade connectors (1) On/Off/On, red illuminated, 5 spade connectors (1) Momentary On/Off horn switch, 2 spade connectors Sold as seen in pictures. Customers please note every c
 

Notes : Earn 2% eBay Bucks on qualifying purchases! Backed by eBay Buyer Protection Program. Terms and Conditions apply.
Stock Status : in-stock
 
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Electrical Switches, Part 2, Toggle Switches


 

 
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