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Toyota Camry Fuse and Electrical Questions



  • kiawahkiawah Posts: 3,666
    edited May 2010
    You're giving some conflicting info.

    You first said you had no dash lights and used radio as example. Then you said you had dash lights on your radio.

    Let's backup and so some basics.

    With a voltmeter, can you tell me what the voltage of the battery is.

    Then go to the cigarette lighter, and carefully put the probe onto the center contact point (without touching the sides), and tell me what that voltage is. The key will need to be in the accessory or on position.
  • Sorry about the confusion, it looks like the radio was replaced before I bought the car and the wiring got screwed up when the radio was replaced. So I am going to take it to the mechanic tomorrow to have it fixed.
  • Thanks a bunch bperrico, my clock went out 3 years ago.I had given up on locating this "secret fuse box"...I found it now and replaced the blown and the clock is working again!! Thank you
  • bobo23bobo23 Posts: 4
    The interior lights don't work on my 94 Camry XLE. I can't find a fuse that fixes the problem, can anyone give me a suggestion
  • kiawahkiawah Posts: 3,666
    Check the 10A Panel fuse.

    Upstream (closer to the battery), is the Tail Relay, which is turned on by the light control switch.
  • bobo23bobo23 Posts: 4
    edited June 2010
    How is the Tail Relay related to the interior lights. The 10A fuse is OK. Where could I get The Electrical Wiring Diagram withought buying the manuals?
  • nick84nick84 Posts: 1
    Kiawah / Dave:

    Just saw the message you posted in 2008. Now my car has same problem (2001camry). Can you send me some photos of the "flasher 1" to "flasher 3"? My email is

    Thank you,
  • For the last few days the dashboard rear indicator light goes on either when ignition is turned on or when car is placed in gear and remains so until next restart.

    Dealer wants $49 as baseline " start to search" price.

    Anything I can do other than black tape over indicator light and my wife or I regularly checking lights in rear before driving off?

    Thanks in advance to those who take the time to read and respond to this post.
  • Mr_ShiftrightMr_Shiftright CaliforniaPosts: 44,404
    You might check to see if there is any corrosion around the bulb contacts or the plug in connector back there. This light could be triggered by a slight voltage drop.


  • kiawahkiawah Posts: 3,666
    When you turn on the lights, the tail relay is turned on which supplies power to all of the many circuits and light bulbs that are on at night.
  • kiawahkiawah Posts: 3,666
    What problem or post are you referencing from 2 years ago?
  • bobo23bobo23 Posts: 4
    The fuse for that light is 20 amp according to the Toyota Maint book.
  • bobo23bobo23 Posts: 4
    The Toyota manual shows that the Power windows come off the main power relay.which looks like it is in the door control itself. It shows it between the 30 amp fuse and the controls. It also shows a 10 amp fuse tied to the door lock control relay which also ties to the power main relay. This book is not real clear about the location of things, but I think it's all in the door switch.through the power main relay.. I'd attatch diagram, but don't know how.
  • kupffxkupffx Posts: 1
    Hello everyone. This is my first time and i need tons of help. 2 Months ago my fuse started blowing in my car. this fuse controls my auto lights, windows, and gauges. so i changed the light and it worked fine for a month then it started again. I took it to a shop and they told me it was the speed sensor so i changed that and it worked for another month. now its doing it again but different. When i put the car in park or start it in park the fuse will blow every time. I thought it was a short in the speed sensor but i unplugged it and it still did the same thing. if i use my manual shift put it in N before i start the car and then D it works. But as long as the car is on and i put it in park the fuse will blow. Can someone help me figure out my problem i'm very stuck. Thank you
  • I suspect you are blowing the fuse because your back up lights are part of the same circuit. There are wires that run by the drivers side trunk hinge and they are at a very common wear spot. If you open the trunk, and look at the bar for the hinge, you will see a bundle of wires running to the trunk lid, including your back up lights. They are probably some bare wires there. If there are, cut and repair the wires properly and try to put some extra "armour" around them. That may solve your problem. That might explain why your car won't blow in Neutral, because it doesn't shift past Reverse and activate (electrify) the back up lights. Let me know if that solves it.
  • dbentondbenton Posts: 1
    I have the same problem on my daughter's 1989 Camry. Would the same diagnosis apply, and if so do you have the assembly diagram for that year? Thanks in advance.
  • My friend has a 92' camry and it overheated. The car died and the horn started honking. We towed it back to the shop and topped off the fluids. Tried to start it again and horn honks when the key is turned on. Also it isn't getting any spark now but it turns over. Any suggestions?
  • kiawahkiawah Posts: 3,666
    edited July 2010
    Well just unplug the horn to stop that nuisance for now, and work on the main engine won't start problem.

    Since it appears you have a couple electrical problems going on, start with making sure the battery is good, sitting at about 13.5 to 14 volts, it's terminals are clean (with no corrosion) and tight.

    Let use know what you find the battery voltage to be. You're going to need a voltmeter to check some further voltages as well.

    And when it overheated, how long did they drive it, and how did it finally stop running?
  • The car is turning over just fine. The batt is new. I even unpluged the alarm and it still honks. I've heard that the computer will do that so you'll have to send it in.
  • kiawahkiawah Posts: 3,666
    edited July 2010
    Unplug the wire, that is connecting the horn to the harness. Find the horn, follow the wire back.

    So this may be the alarm system, which is stopping the ignition from working.

    What kind of alarm system is this?
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