Where do you run the wire from a relay?
The diagram shows two leads coming from the relay. Then I run the second wire of the lights or other accessory to a good ground on the frame of the vehicle. If the wires will not be soldered together and crimped connectors will be used it’s a good idea to put a dielectric paste on the connectors where they come in contact.
Do you need a switch to turn on a relay?
In almost every case where high current is required, the switch you will use to turn on the power should not handle the load because most switches are not designed to handle higher amps. The job of switching the power is better left to a relay. What is a relay? A relay is a device that, through a magnetic induction coil, turns on the power for you.
What kind of relay do I need for my 4×4?
The switch that is installed in the cab of your 4×4 actually only powers the relay itself which draws very little current. In most installations a 30 AMP relay from Radio Shack (Auto Relay Cat. Number 275-226) will do unless your amperage demands exceed 30 amps. I like to used a lighted switch in the cab to let me know if driving lights are on.
How many amps does a Radio Shack relay need?
In most installations a 30 AMP relay from Radio Shack (Auto Relay Cat. Number 275-226) will do unless your amperage demands exceed 30 amps. I like to used a lighted switch in the cab to let me know if driving lights are on. The method I use for wiring the lights and other external accessories, for the most part, follows the diagram pictured above.
Where do I find the relay on my starter?
You can find the smaller wire that is plugged into your starter and trace it to your starter relay. Or unplug that same wire from the starter, press your start switch and listen for the relay to click. The audible click will help you to find the relay.
What are the signs of a bad starter relay?
Broken or corroded wiring – Damaged or dirty wires to the battery or to the starter solenoid (or wires that are loose) can prevent sufficient power from reaching the starter. Alternator – The alternator is designed to power all of your car’s electrical systems when the vehicle is running. It also recharges the battery.
Where does the starter wire go on a Harley Davidson?
Via Email. Keith, the smaller black wire goes, together, with the heavy black cable to the long starter post/lug. The smaller black wire is powering your main breaker. The tan wire is the trigger from your starter relay; it plugs onto the male spade connector at the bottom of your starter.
How many wires does a 1990 FLHS have?
I have a 1990 FLHS, there are 3 wires 1 wire from the battery, 1 that goes to the switch (50) and 1 other wire. I cannot remember how this connects except for the switch wire. Does the battery and the smaller wires go the terminal without the boot? Also once connected it turns over but won’t start. It has been a year since it was started.