Relays
40 Amp Relays
Use our relays to give your circuit "switching power" and to take the strain off of brake switches, fan switches, electronic switches or sensors. We also show you how to use this relay as an anti-theft device.
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#L07-40 (40 amp SPST)
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$17.95 |
Also available in a 40 amp SPDT (double throw) relay that lets you switch between two outputs, ON/ON switching. Also can be wired as an anti-theft device with a horn alarm feature so that the horn blows if someone tries to start the car without activating the secret circuit or switch.
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#L07D-40 (40 amp SPDT)
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$19.95 |
40 Amp Relay with Built-in Fuse
The easiest way to add a power circuit that we've ever seen. Just wire the relay between power and the load, add a control switch to trigger the relay and one ground wire... you're done! No need to wire in an extra fuse holder, no problems because all of your fuses are already used. And it's really neat, compact and clean. Size the fuse to your load requirements and the circuit is protected.
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#L07-40F (40 amp SPST with built-in fuse, included)
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$25.00 |
Mechanically Latching SPDT Relay
This Single-Pole, Double-Throw relay switches between two different outputs like a standard SPDT relay but does so with only a momentary control pulse and then latches (stays) in the new output until the same momentary pulse is again applied. This allows you to use a momentary grounding switch (works ONLY with grounding switch) for things like your HI/LO beam dimming or any ON/ON switching. Each output is rated at 150 watts (12.5 amps. maximum). Check your specific application for amperage rating needs. Comes with wire leads & instructions.
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Polarity Reversing Relays
Polarity Reversing Relays
Power window motors, power trunk lifts, door locks, etc. need to reverse the direction of rotation of the motor in order to work. This is done by reversing the voltage polarity to the motor wire leads. Reversing relays are needed when you want to use a switch that doesn't automatically switch (reverse) both the positive and ground to the electric motor (such as a 3-wire switch or remote control).
ALSO when you want to use a remote control with a 5-wire, power window type switch, these relays will prevent the remote from shorting back through the 5-wire switch. Complete with 30 amp relays, wire leads.
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NOTE: Before ordering this module to add extra switches you must check the switches that came with your kit. If your kit has 5-wire switches that connect the two motor leads when the switch is in the off position, this module will not work. Check by doing a continuity test when the switch is "off". To add power "Down" to a 5-wire system, see our L20W, L25W.
AC Switch Fan Relay
Works with our #L36 Radiator Fan Kit to turn the fan on when the AC is turned on. An absolute necessity when using both electric fan and Air Conditioning.
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#L07-AC (40 amp SPST)
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$22.00 |
80 AMP High AMP Circuit or Ignition Switch "Relief" Relay (Accessory Feed)
Do you realize that the best ignition switches are rated for 30 amps and some for only 15 amps??? And how many amps of accessories are you using? This relay can give a full 80 amps of accessory power and take the load off the ignition switch. Simple hookup (with ring terminals for aftermarket type switches), 10 gauge wire feeds and connectors. Terrific instructions. Also great as a headlight switch relief relay or for any application that you need 80 amps of switching power.
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Radiator Fan Harness
This is the best "standard" Radiator Fan Harness we could find. Thermostat with 3/8-NPT thread, stainless steel 3/8-to-1/2NPT adaptor, connector, relay, relay socket with wire harness leads, fuse holder, fuse, the necessary hardware for installation and instructions. Turns ON at 195° and OFF at 185°. If you're putting in an electric fan, this kit will make it operate right.
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#SP-195FH
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$59.00 |
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195° Thermostat only. #SP-195TS
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$30.00 |
Circuit Status Indicator Relay Kit
Ever have a circuit that you wanted specific feedback about - as to when it turned ON and OFF? This Relay kit, along with two indicator lights (not included) will give you that information. Our kit contains the relay, 24" wire leads, and instruction for use. Works great for radiator fans, battery disconnects, fuel pump, etc. Use with any of our LED indicator lights (for example: green = ON, red = OFF) to provide positive, visual status indication (lights not included).
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Rod-Bits:
Any of you who know me or have even just stopped by to talk electricity with me at a show or on the phone know that I am a relays fanatic. I've thought about building a little soap box and putting the word "Relays" on the side of it in big letters. People stop by the booth and if the need arises, you'll find me on my soap box. Why? Because overloaded switches are a major problem, a dangerous problem. If you power-up your engine, you want to make sure that everything in the rest of the drive train can carry that extra load. The same needs to be done with the electrical circuits. For example, if you install extra wattage, brighter headlights, you need to make sure that the rest of that circuit is capable of handling the extra amperage, especially the switch. Check out the Helpful Tips section of our website. Read the articles on "Remotes and Relays" and "A Current Topic". Buy our Basic Auto Electricity Book if you want to learn more, or call us with questions. But definitely learn what relay are, what they do and that relays are our friends! You'll be glad that you did.
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