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Relay gets to hot - Pickup Toyota Cars & Trucks

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Relay seems to be getting power ( it's clicking) there is NO FUSE OR FUSABLE LINK. Wire straight from relay has no power. Add power to it and still get none from the other end.


A couple of things: Relays have a power side, and a coil side which signals the relay on. Your coil side is working, hence the click, which should close contacts on the power side, and send power out from the relay.

Just possible your relay is bad on the power side. Swap it with another relay to check. The exact same relay may have other applications on your car. If the relay's part numbers match, it is the same relay.

The other possibility is the power feed for the relay may have been lost. Usually the power side, the power feed terminal, is hot at all times- battery voltage available at the relay-just waiting to be sent to do work. And if it is "hot at all times", that means the power feed is fed from a maxifuse or a fusible link. Power from the battery would not be sent there without a fuse or fuse link for protection.

If you have a test light or voltmeter, try this: pull the relay out, key off, and probe all 4 or 5 terminals of the relay plug terminals. If "hot at all times", one terminal should show power on it. If it is a hot at all times terminal, your relay is definitely bad if you find power there. Now some circuits with a relay, like some starter relays, do not have a hot at all times power feed- only when key is on, or when relay is signaled, does the power feed show up. To check this, turn the key to on, or to start if a starter relay, and now check all relay terminals with the test light. This time you should show two hot terminals- the power side feed and the coil side (the relay signal side) should both have power on them. If you only see the coil side power that made the click, then you have to check the wiring to that relay. Good luck.

Jun 16, 2015 | Cars & Trucks

1 Answer

Does the main relay being bad make your car not start sometimes


Relays rarely go bad. If you have on that gets really hot. It could be the relay or the wiring. And yes, main relays and even secondary relays can keep an engine from starting/running. First check which relay is getting hot. The swap it with another relay in the panel. If it still gets hot. you will have to start checking the wires to it. If the relay you swapped to other spot gets hot, replace the relay.

Nov 05, 2014 | 1992 Honda Accord

1 Answer

My stem has 2 fuel pump relays 1 of them gets hot does this mean that my fuel system is not woeking properly


If the relay is hot to the touch that means that the actuating coil is burning out and not closing the circuit for the fuel pump or the fuel pump is shorting out and the points in the relay are getting hot. Test the units with a multimeter.

Oct 06, 2014 | Cars & Trucks

1 Answer

Why does my radiator fan relay get real hot?


Sounds like your cooling fans are failing, causing an excessive load on your relays

Aug 10, 2014 | 1999 Chrysler Town & Country

1 Answer

Engine start delay once the relay is hot


It should not be getting that hot, you are getting feedback into that Relay for some reason and you need to find out why? But first try replacing the Relay with a new one. There is a good change that the Feedback is Internal of the Relay. (VW has this problem on their 90's Models.

Mar 03, 2014 | Renault Le Car Cars & Trucks

1 Answer

Does pcm have anything to do with fuel pump relay getting hot


relays to get hot. this is the pcm. b3db398b-32a3-41d3-9eb1-40c604c1a39f.gifif you think its get to hot were by its melting then check the voltage on the battery any thing over 14.85 volts is to high under is fine. if the voltage is fine then the relay may be faulty. or the pump its self is not working 100%.

Aug 21, 2013 | 2002 Nissan Sentra

1 Answer

Not getting fuel - the fuel system is clear but the relay is not turning on the pump - if I bypass the relay the pump turns on


Replace the relay. Probably runs around $12. If your bypassing by using a direct hot instead of bypassing off the relay hot trace the hot side of the relay all the way back till you find the break.

Sep 29, 2010 | 1992 Geo Storm

1 Answer

I have an accessory relay that is getting very hot and i would like to know what exactly the relay controls i have an 2001 impala ls


TEmprature is not an indication for replacement. Relays are an electromagnet and do get quite hot, malfunction is the time that you replace.

Sep 03, 2010 | 2001 Chevrolet Impala

1 Answer

My 1993 Honda Accord LX was having problems to start during hot weather, I changed the fuel filter, distributor, rotor cap, rotor and now it seems like gas does not get into the engine. What's wrong?


The Main relay on your vehicle is defective. When the relay is operating while the engine is started and running, it gets hot. Add the hot weather to the relay and they break inside. The relay is located on the side firewall driverside above the left kick plate inside the car,and is secured with a 10mm hex cap screw (bolt). Replace this relay, and your vehicle should start.
It looks like this;



2ce1b39.jpg

Jul 17, 2010 | 1993 Honda Accord

1 Answer

EFI underhood relay


I would replace the relay that gets hot, and make VERY SURE that the relay pins fit real tight in the female receivers for the relay. A *** slight *** amount of clearance at the connection will arc & def heat up the relay. Once relays get really, really hot, it, at times, they may no longer be reliable.

Sep 28, 2008 | 1990 Toyota 4Runner

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