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relay

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  1. F

    Question for double coil DC relay

    Hello,can someone explain what is lagging auxiliary contact used for in DC relays(control circuit)and why is it N.C? Thanks
  2. K

    Negative switch relay

    I wish to run a 12v fan in the cabin of my car, only while the engine is running. I wanted to use the alternator charge wire, connected to a relay, so when it switches off, the relay opens. But my car doesn't have such a wire on the alternator. I'd like to use the oil sender wire. This is a...
  3. R

    Wire gauge query when doing relay conversion for headlights

    Hi All, The headlight (Dip and especially High Beam) on my motorcycle, is know to be able to be greatly improved when converting the wire feed instead of being via the switch, over to a more direct feed via a couple of relays. At the same time instead of the 18 gauge wire via the switch being...
  4. D

    Will a 24V 16A relay work?

    I have an inverter powered by a car battery that I use when 220V power goes off (see block 1 below). I use a battery charger to charge up the battery before I can re-use it (see block 2 below). Id like to connect these devices so that the battery is charged when 220V power is available. (A...
  5. E

    GPS remote immobilisation feature. Wiring issues.

    Hey all, thanks for having me. I'm fitting a GPS tracking system into my van (Renault Trafic 2005, 1.9l Dci) and I'm trying to install the imobilisation feature. Once wired in it will let me remotely disable the fuel pump. However, I'm struggling to get any information on the wiring of the...
  6. N

    Adding AUX lights (with switch button) to existing Fuse Block/Relay system - do I need another relay for the AUX lights?

    Howdy folks. Complete electrical numpty back again with another basic question with a basic answer that I can't find an answer to elsewhere online. I am setting up an auxiliary fuse block/relay set up on my motorcycle. I have attached a photo of what my basic fuse block/relay system will be...
  7. N

    Help needed with a simple motorcycle connector issue (novice)

    Hi all. I decided to sign up to reach out to some experienced folks who may be able to point me in the direction of how to make this work (and more importantly, the right way). This is going to be a piece of cake for everyone here (but me) I am sure. To keep a long story short, I am setting up...
  8. H

    Can anyone tell me please how to wire 3. 8PIN relays?

    Can anyone please tell me how to wire 3 8Pin relays together? Those 3 relays are for access control controlling the doors, so when the fire alarm triggered will disenergized those 3 relays and unlock the doors. Thanks
  9. sythai

    Smart relay for blinds

    Hi Guys I'm wiring up an electric roller blind soon, putting on a conventional up/down/centre off retractive switch. Would like to install a smart relay in parallel but cant seem to find anything out there ? Ideally something like this (but this is purely on/off control only) with nice easy...
  10. S

    Lightwave RF Relay

    Hi, I am not a qualified electrician and am doing a little DIY project. I want to automate the lights in my garage. I have lightwave RF in my house (sockets and switches) which are great but the switches only work on dimmer lights. Iv brought a relay which I was hoping I could use instead of...
  11. A

    Towbar bypass relay issue

    Hi - I have just wired a 7 pin towbar using supplied harness kit with by pass relay . (2012 Megane Coupe) 1 issue discovered is my LED indicators on trailer remain permanently lit with dull glow? ( Checked trailer lights with another vehicle & lights are OK ) Otherwise lights works ok including...
  12. I

    Fitting twin horns to a single horn set up. Extra Relay required??

    Hi all, i´m new on here and really hoping for some good advice. Not getting much response from an owners forum!! My Seat Altea is fitted with a single horn. There is a number 53 relay fitted to the relay panel and I believe this is for the horn. I want to fit twin horns in place of the single...
  13. P

    Adding a relay to detect when a switch tied to ground is open.

    I'd like to add individual footwell lighting and have the lighting come on when each door is opened individually. I've found the wire locations and looking at the wiring diagram, I not certain which way to wire a relay to properly detect when the switch is open to trigger the LED light to come...
  14. J

    Panel with Relay and SPD, Installation?

    Hello and thanks for the interest. I have a little dilemma and was unable to get an answer anywhere. I'm trying to fit a SPD and an over/under voltage protector to my existing "Main Switch" and "RCD" setup. my question: is the location of the SPD and surge protector correct? thanks
  15. D

    relay question

    Ive just purchased on old electrical device tha i believe is battery operated but has a realy on it marker - RES Load 5A - 110VAC or 24VDCC - coil DC 6V. my question is what should i connect it to to test it, battery or electrial transfomer?
  16. C

    UK Wireless relay

    Can anyone recommend a wireless relay to trigger an oil boiler. Currently there is a huge buffer tank which is heated by a log fired biomass. The boiler is being replaced with an oil boiler, but the buffer tank is staying, as the tank was installed during a renovation which means the tank would...
  17. B

    Relay for spotlights

    Looking to wire up some spotlights. Will this set up be correct?
  18. A

    3 way switching relay

    Hello there, I'm in a situation whereby the customer wants a light switch either side of the bed, and one by the door to control the centre room pendant. Unfortunately the type of switches they have across the rest of the house doesn't produce an intermediate switch. Does anyone know any off...
  19. K

    1992 Pontiac Firebird won't crank, no power to starter enable relay, no security light, temperature gauge fluttering

    My 92' Firebird that I just acquired will not start. I bypassed VATS security with resistors so the security light now shuts off. I replaced my positive battery lead that was shot and the only thing that happens when I turn the key is the temp gauge fluttering. The relay only has 0.5 constant...
  20. J

    Relay related question

    Hello, I'm trying to build a 12v circuit where a npn laser sensor activate a pump but I have no idea on how to build it. Its pretty simple but if I hook the laser to the circuit it looks like there's not enough current passing through to power the pump. So I think I would need a relay right...

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