Ground Switch Relay

The sending unit has two male spade connectors one of which will go to the black wire on the relay and the other needs to go to a ground.

Ground switch relay. For driving or roof lights. Attach one spade connector to relay terminal 86 coil. Often it is necessary to provide a stronger ground than the negative output of an alarm or keyless entry can provide. Ask question asked 2 years 3 months ago.

If you have a switch or an alarm or keyless entry that has a positive output that you wish to use to switch a device that requires a ground such as a horn dome light parking lights head lights hatch release etc wire a relay as shown below to convert the positive output trigger to a negative output. Active 1 year 2 months ago. Pin 85 is the positive signal from whatev. Connect the positive lead to the high beam positive wire and the relay ground to the chassis.

My need is to turn on and off ground using the positive as trigger. Can we switch ground in relay. Attach the other to relay terminal 85 coil ground. Touch the 86 wire to the battery s positive post and the 85 wire to the battery s negative post.

Convert a positive output to a negative output. Pin 30 is connected to the device that needs a ground connection. Connect the 12 volt positive lead to the positive wire on the parking lights. Weak negative output to strong ground output.

Connect the ground wire from the relay to the high beam positive wire so the fog lights will turn off when the highs are on. When this is the case use the following diagram. That means the positive terminal of the device is connected to the 12v supply. How to wire automotive spdt relays.

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