Question about 1985 Toyota Land Cruiser

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We have wired up 4 narva 100w spot lights with a relay ,but we were told you cannot wire them through you high beam switch . they work off a togle switch , but seem to be drawing power through the relay , there for flattening the battery.do you use relay and how do you wire it up

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Does this make sense?
we have wired up 4 narva 100w spot lights with a - 6cc066f.jpg

Posted on Oct 03, 2010

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As soon as I turn headlights on it blows the fuse for gages on dash no wires touching and lights don't come on gages work if I don't turn headlights on


Hi Bobbi
A 50w Headlamp will draw 4 Amps (Ohms Law 50/12=4.1)
So... 2 Low beams will draw 8 Amps.
Obviously more for high beam and high wattage Quartz Bulbs.
That is a lot for a small switch (contacts) to handle.
This is why a lot of vehicles use a Relay to power the Headlamps.
The relay is connected directly from the Battery to the Headlamps.
The large internal contacts can handle the higher current (30A) and the dash headlight switch connects to the magnetic coil inside the relay and is only used to pull the contacts closed.
Does your circuit include a relay.? Do you hear a relay click?
simple headlight relay wiring

To assist with your troubleshooting, try disconnecting one head lamp bulb to reduce current load. Does the fuse blow?
A temporary12v circuit breaker could be substituted for the fuse until you determine the problem.


If the circuit is using a relay then there will be a fat wire going from the battery to the Relay. The fine wire on the relay input is the trigger. A 12v test lamp is really useful for troubleshooting around the car. Also a cheap multimeter. Clamp style current meter is also handy to see exactly what current is blowing the fuse

Relays

http://www.ebay.com.au/itm/NARVA-CIRCUIT-BREAKER-REPLACES-STANDARD-BLADE-FUSE-BATTERY-15A-AMP-12V-55715-/321234642731?hash=item4acb13a72b
There is a 10A circuit breaker also like above

Automotive Circuit Breakers Wiring Products

Sep 13, 2015 | Cars & Trucks

2 Answers

The high beams on my Honda 02 Odyssey ( Canada series ) only works on occasions. The bulbs and contacts to the lights are ok, the two relays under the hood are working,fuses look good in all fuse boxes....


Could be a contact, in the chain, not 100% in working order. It could lose contact by temperature, moisture or any other natural cause. Even contacts in a relay can be faulty and you should not rule out a relay what is clicking. Only measuring the resistance in the chain or the drop of voltage over a contact can bring you to the real cause.

Jan 31, 2015 | 2002 Honda Odyssey

1 Answer

Need headlight wiring diagram for 2013 Kia Rio,want to fit spotlights


you will have to fit a relay into the system. Tap a wire into the high beam power wire for the headlights. (Piggy back connection) take this wire down to the fitted relay to a coil pin on the relay. connect a wire to the other coil pin of the relay and return to the dash area to an control switch through it then to an earth point.. Run a wire to an inline fuse directly from the battery ( fuse close to the battery as it is a high current line) down to one pin of the relay. connect up the power wire for the light to the opposite pin on the relay and connect the earth wire of the light to an earth point

According to road regulations you cannot have spot lights on by them selves and they must only operate in conjunction with high beam operation.. The setup as I describe allows you control of when the spotlights will be on ( switch in the dash) and if on will be extinguished when low beam is selected as per regulations. The relay ensures that the trigger wires do not carry full light amperage so light gauge wires can be used and only the power wire from the battery to the relay to the light need to be heavier gauge.

Sep 11, 2014 | 2013 Kia Rio

1 Answer

Fludic verna headlight is very poor???chould i add cutout and use more 100/90 w bulb to get more light...which cutout brand is good


The standard lights are quite good enough if the reflectors and lens are really shiny and not partially rusted. Large bulbs run the risk of melting the plastic reflectors costing new head lights. Adjusting the head lights to correct beam height will also help. You can use relays in the system. Disconnect the wires to the back of the bulbs and attach then to the trigger pins of the relay (4 relays-2 high beam L+R and 2LBeam L+R). Run fused power wires from the battery to the power pin of the relay and out to the beam pin of the bulb. earth the bulbs as normal. The operation works like this You switch on the lights to low beam and the power from the switch energises the relay and drops in the contacts which allows power from the battery ,through the bulb low beam to earth. Switching to high beam energises the relay and allows power from the battery through the relay and out to the high beam part of the bulb through to earth. You have full 12 volts to the lights and reduced current through the light switch. 4 relays --1 each for each light low and 1 each for each light high. jump the wire from each beam position between relays of the same light so that they work off the one wire from the switch

Dec 10, 2013 | 1991 Suzuki Swift

1 Answer

99 GMC Jimmy DRL, headlights, and High beams not working amber lights work.


headlights control by headlamp driver module relay to the BCM and the light sensor on dash next to the winshield defrost vents.headlights also control by high beam relay.

Nov 18, 2013 | 1999 GMC Jimmy

1 Answer

93 defender 200 tdi wiring front spots with


Try tracing the full beam wire to the headlamps. Once located, strip a section off and solder a wire leading to the spots. Spots earth is connected anywhere close to the chassis. If you want to go a step further, you install a relay to be used as a switch to your spots. This is done by connecting the earth wire from the relay usually the connection close to the relay lip. Now from the battery connect a positive wire to the opposite side from the negative on the relay. Next from the vehicle lamp, connect the high beam pos wire to the relay. Next connect from the relay to your spots, positive wire from relay to the positive on the spots. Here i would recommend to insert a inline fuse 20a onto the live wire. All connections must be soldered. Your good to go.

Aug 04, 2013 | Land Rover Cars & Trucks

1 Answer

Fitted a set of anti-roo spotlights on my wife's car. However, trying to get a signal to the relay via an on/off switch in the dash from the high beam, the wires all seemed to be hot at some stage


Yes First, you may be able to get a FREE diagram from Autozone.com by registering your car. Foreign cars a little less likely.

When you look at a Relay there are several terminals. While conventional thought is that a Relay just interrupts a wire and breaks connection, the Reality is that both Positive and Negative wires tie in several Relays.

For instance, a Positive terminal in a Relay engages and it moves a pair of connections inside the Relay. But another Relay is lacking a Negative Pulse to engage its connection. The first Relay activates and then makes a connection supplying a Negative or grounding charge.

So the way you are wired, you are providing a ground to a KeyOFF terminal. Now it completes the circuit to light. When the KeyON Relay is activated, it toggles the Circuit and breaks the connection.

What you want to do is add an external light relay. Think of it like a starter Relay. A small tickler wire connects those massive battery cables to the starter. But only when the ignition is turned to start.

Use the tickler wire to activate the external Relay. Tie the tickler to the high beams so when the highs are on, the added Roo lights will work too.

Remember to fuse the hot side to the relay from the battery. That way you can lose the added lights but not the factory lights in the event a fuse breaks.

I hope my solution helps you.

Jun 06, 2012 | Suzuki Cars & Trucks

1 Answer

98 Chevy K1500 - Wire off road lights to work with brights.


put a relay under the hood someware, splice into the high beam hot wire near one of the bulbs to trigger the relay.
run a seperate power wire (mabee from the battery or if your truck has a power block with a battery lug) to the relay to power the lights when they are on. Dont forget to put an inline fuse on that power wire. (fire prevention in case of a short) Also make sure that power wire is heavy enough to handle the load. A relay is simply a electricly triggered switch. it has two parts, one half is the trigger. (a power and ground trigger it) the other half is the switch. (sending power to your lights) to make it work, all you have to do is look at the diagram on the relay to determin which is which. Then you run a ground wire to one side of the trigger and the wire from the high beam to the other side of the trigger. the switch is seperate, it gets the power wire on one side and the fog lights on the otherside. dont worry if the relay has 5 terminals you are going to only use 4.The extra one is for normally closed position of the switch.

(:DK

Oct 20, 2009 | 1998 Chevrolet K1500

1 Answer

I have a 2005 ram 1500. I want to wire extra


I strongly suggest that you use a relay, or you risk damage to switch and light components.

Then, take a test light, find the high beam wire, and wire the relay to that. In essence, you want the power from the high beam circuit to energize the relay. The relay would be wired directly to the battery.

This method will give you longevity. you are using the high beam power to activate a switch (the relay).

Oct 11, 2009 | 2005 Dodge Ram 1500

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