What do the letters on the back of an ignition switch stand for?

What do the letters on the back of an ignition switch stand for?

#2 · May 19, 2010. Thy usually are labeled with letters on the back of the switch–“B” for Battery,”A” for Accesories,or Ampmeter (or Armature on old starter/generators),”M for magneto (kill wire) and some had more terminals for charge indicator lights or “L” for headlamps ..

What does M stand for on an ignition switch?

magneto
“M” (magneto), is found in applications where the key switch functions to kill the ignition spark by shunting the magneto primary wire (kill wire) to ground when the key is turn OFF.

What is Y ignition switch?

The Y terminal goes to the headlights…it should be a 4 position switch, and the 2nd position is “run, lights on” and 3rd position is “run, lights off).

What are the letters on the ignition switch?

The new switch is labeled S B R A I. If anyone knows how these two sets of letters relate to each other I would be greatful for the info. I have to rearrange the wires in the plug as none of the current arrangements match.

What do the letters’s and L mean on a key switch?

“S” indicates starter control out. “L” can indicate lights if lights function is part of the key switch duties (may have other functions on different machines. “A” might be used to power accessory components in some applications and may or not be a separate position from RUN on the switch.

How can you tell if your ignition switch is faulty?

One of the most obvious signs of a failing or faulty ignition switch is if the car won’t start when the key is turned. Key will not Turn. Vehicle Stalls. No Noise from the Starter Motor. Dashboard Lights Flicker. Similarly, you may ask, can you replace an ignition switch yourself?

What does the m stand for on a key switch?

“M” (magneto), is found in applications where the key switch functions to kill the ignition spark by shunting the magneto primary wire (kill wire) to ground when the key is turn OFF. Not totally sure, but I think the R was used for older battery/points type ignition systems.

Manufactured by Delta Systems Inc. The letters on the back of an ignition switch stand for the following: The designated terminal connects in some manner to that component. For example, the B terminal connects in some manner to the positive battery cable. No. Of Positions: 3

Where are the terminals on an ignition switch?

Step 1. Locate and identify the pins on the back of the ignition switch, There should be four terminals marked “BATT” for Battery, “ST” for Start, “IGN” for Ignition, and “ACC” for Accessory. Some switches may use a different letter or number code, so check with the manufacturer of the switch to properly identify the terminals.

“S” indicates starter control out. “L” can indicate lights if lights function is part of the key switch duties (may have other functions on different machines. “A” might be used to power accessory components in some applications and may or not be a separate position from RUN on the switch.

How is the starter wire connected to the ignition switch?

This wire energizes vehicle accessories such as the radio when the ignition switch is turned to the “ACC” position. Connect starter relay wire to the “ST” terminal of the ignition switch. The “ST” terminal only activates when the ignition switch is turned to the “START” position and is a spring-loaded momentary contact.