On a motherboard or peripheral card jumpers and switch banks are used for configuring various parameters on the circuit board.
For instance, older peripheral cards needed to be told at what address, IRQ and DMA that they needed to be. The reason for this was because other cards that they already installed might already be using those resources. You cannot have multiple devices at the same address. On rare occasions, things could share IRQs or DMAs, but never at the same time. So you had the option to change the addresses and other resources used by the device so there would be no conflicts between the devices.
Older motherboards had to be configured as to what bus speed and CPU multiplier to use, so jumpers and switches served this purpose. Newer boards tend to get that information directly from the CPU or they get it from the CMOS.
Jumpers can also be used as bypasses, such as allowing the speaker socket on the back to work when the front panel socket wires are not attached. So if you don't attach the wires, you leave the jumpers in the speak header in place.
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Put the jumper clip on different pins
You can watch the movie jumper in the movie houses, in DVD's or in the internet.
A jumper is closed (on) if the cover is in place, connecting the two pins that make up the jumper; a jumper is open (off) if the cover is not in place.
A jumper is used to complete a circuit on a motherboard or other device and thus signal a certain mode of operation, such as "the BIOS should be in recovery mode" or "this hard drive is the Master device."
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Unplug it from the accumulator and run a jumper wire between the two holes. If the compressor clutch remains engaged while the jumper wire is in place, the switch is functioning properly.
It depends on the vehicle but most of the time you can jumper the low pressure switch....
Put a jumper wire across the terminals on the switch if the lights work (with ignition switch set to "on" position) switch is defective
CHECK THE CLUTCH SWITCH TO SEE IF ITS FAULTY. MAKE MAKE A JUMPER WIRE TO SEE IT THAT'S THE PROBLEM. MAKE A JUMPER WIRE WITH AN INLINE 20 AMP FUSE. UNPLUG THE ELECTRICAL CONNECTOR TO THE CLUTCH SAFETY SWITCH. PUT THE JUMPER WIRE IN PLACE OF THE SWITCH. NOW PUT THE CLUTCH IN AND TRY TO START IT,IF IT STARTS THEN BUY A NEW SWITCH. THE CLUTCH SAFETY SWITCH IS UNDER THE DASH ABOVE THE PADDLE,LOOKS LIKE A LITTLE CYLINDER. GOOD LUCK
Use a jumper across the inertia switch if the fuel pump comes on-its defective
The neutral switch is located in the console conected to the shifter. You can unplug it and put a jumper wire to test if this is your problem.
the neutral / backup light switch is on the side of the transmission. You can cut and splice them.
Remove the door panel, find and unplug the window motor. Use jumper wires to supply battery voltage from the door lock switch (or use jumper cables and jumper wires to get power to it from the battery) to the two contacts on the motor. If the window goes the wrong way, switch the wires at the motor. Leave the window motor unplugged so it can't be rolled down accidentally until you are able to properly repair the window.
Switch most likely. Can test by bypassing with jumper(s).
Most times used to bypass a switch or other control device
Bypass the switch with a jumper & see if you can bump it with a hot wire.