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I/ecd relay clicking troubleshooting - 1999 Lexus LX470

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My ECD light stays on along with anti theft light after a door was slammed hard

OOPS take it to a dealer . something either came loose or broke in the door .

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2003 ntoyota land cruiser.ECD Fuse blows engine not starting

ECD Fuse can blow due to:
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These will help.


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I have a 1995 ford windstar. The driver side power window stopped working in the up position. When I depress the switch to lower the window, I hear a clicking noise like a relay coming from under the dash...

The clicking noise doesn't mean anything , relay controls one touch down . Just means relay is probably working ! Take the door panel off an check power to the switch , motor . Watch this videos . Test the electrical circuit The Trainer 24 Power Window Troubleshooting
Automotive Electric Window and Switch Troubleshooting Repair Guide

The motor or the switch or the regulator or maybe be a wiring problem .

Oct 11, 2017 | 1995 Ford Windstar

1 Answer

My horn is not working at all on my 2005 prius??? What to do??

There is a 10 amp horn fuse either in your cabin fuse box or the engine compartment fuse box. If it is not the fuse, you will need to troubleshoot to find the cause. First, find the horn relay (usually in the engine compartment relay box) and pull it out. Have someone hold the horn button down while you push the relay back into it's socket. The relay should click as you push it in. If it clicks, your problem is probably in the wiring to the horns. You'll have to trace the wires from the horns to the relay box to see if the connector went bad or what happened. If the relay doesn't click, you can try replacing the relay, but the problem may also be with the horn button. To troubleshoot the button, you need a 12 volt test light. You can get one for a few bucks at a parts store or WALMART auto tools isle.
Use the test light to interrogate the relay socket. Remove the relay from it's socket. connect the clip of your test light to the positive side of your battery and then probe all of the relay socket terminals while someone holds the horn button down. One of the terminals should turn the light on bright. Some of the terminals may light it dimly, but at most one will make it bright. If none makes it bright, your horn button is not working or the wire from the horn button to the relay box is cut. If you have questions, please let me know. If you want to understand the relay, see my post at


Oct 15, 2010 | 2004 Toyota Prius

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Good Day 2002 Hyundai Sonata door lock issue. With remote or door switch, relay clicks but there are no functions. Where is the relay and what other problems could there be.

The door lock/unlock relays are under the dash in the I/P (Instrument Panel) junction box. since you 'hear' the relay CLICK, but nothing happens (no functions), seems to me you need a technician to diagnose/ troubleshoot the problem.. would you agree? If not, you could Go to and register( Vehicle by VIN). Afterward, you have access to shop manuals, service bulletins, wiring diagrams, etc. about your vehicle.

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Toyota Surf Diesel starting problem

Injectors could be blocked but i would go with an injector pump or fuel pump.

Jan 20, 2009 | 1995 Toyota 4Runner

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2008 GMC Sierra 2500HD

Sorry for taking so long to get back to you, doing the holiday thing with the family. From what I read from both Transflow and GMC. When tieing into the purple, both the Trax gage and OEM gage will work. The purple should be the relay wire to the ECD, controlling the low fuel warning lamp. The Trax gage uses this wire to monitor and show the capacity of the stock tank. I'm going to say that you have the wrong wire, however, if you're dead sure you have the right wire, Transflow's web site has a listing for local techs or installers, you may want to give one a call. After all, it is an electrical device and they do fail even when new. Goes back to that whole "lowest" bidder thing.

Jul 04, 2008 | 2008 GMC Sierra 2500HD 2WD

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