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  1. Wiring issues

    Avalon 1st Generation (1995-1999)
    I NEED TO KNOW WHAT STEREO WIRES DO WHAT! I can't find any accurate information on what wires do what on the factory wiring harness. I bought an aftermarket tablet and have it all set to go. Problem is every diagram is useless. The factory wires are green with one grey dash, and green with 2...
  2. Couple Missing Grounds on 3MZ-FE

    Camry 5th and 6th Gen '02-'11, Solara '04-'08
    I've swapped the engine in my 2004 Solara, and am having trouble finding where a few wires go as my pictures I took beforehand weren't helpful. One is connected to the negative battery terminal, which already has one of it's connections attached to the frame of the car. The other connection...
  3. ELECTRICAL QUESTION: Is a fuse required?

    Camry 3rd and 4th Gen '92-'01, Solara '99-'03
    I am installing LED under glow strips under my 1999 Camry. I already have a 22” light bar behind the front bumper wired to harness that has a 15A fuse. I am not going to wire my LED strip set to the light bar harness because to use my LED strips I would have to switch on the harness which...
  4. Solara AC and Car Radio Not Working

    Camry 3rd and 4th Gen '92-'01, Solara '99-'03
    1999 Toyota Solara SE A couple months ago I went to unplug a usb cable from the back of an aftermarket radio I had installed myself years prior and didn't disconnect the car battery. I switched out the usb for a different android usb and touched one of the wires with the tip that I think was...
  5. Yellow radio wire (constant 12v) receives power, red wire does not

    Camry 3rd and 4th Gen '92-'01, Solara '99-'03
    Test Car (Radio) wires What settings do I use on my multimeter to test and see whether there's voltage coming from a car's radio wires (red 12v, black - ground, and yellow constant 12v? To put another way: how do I test for current of the above three wires without taking the wires out? I...
  6. '06 Solara 3.3, Brand new Alternator wire MELTED

    Camry 5th and 6th Gen '02-'11, Solara '04-'08
    Hello, First Id like to say, I'm new to the forum & want to thank you for taking the time to read my post. So, ....Ive had the car for almost a year i put a new(used 96k) motor in it myself about 10,000 miles ago. that's not the issue, havent even had any CEL's besides for a loose gas cap since...
  7. Solara '99 Radio Wires

    Camry 3rd and 4th Gen '92-'01, Solara '99-'03
    Last week I was switching out an iPhone USB wire plugged into the back of my radio with an Android USB cable. I did not disconnect the battery (easy install, boy was I wrong) and the android USB plug must have touched a wire in the wire harness. There was a spark and the radio wont turn on. I...
  8. Wiring Diagram for Corolla Stereo 86140-02520

    Corolla 12th Gen (Hatch 2019+/Sedan 2020+)
    Hi everyone. I recently switched my car head unit to the OEM one from Fujitsu Ten 86140-02520. The stereo works but I don't have the Mic, camera and USB options since my earlier stereo had it all on the head unit itself. The steering controls are working fine though. I have the wiring harness...
  9. AE92 1988 4AF to 4AGE swap

    Corolla 6th Generation (1988-1992)
    I plan to swap my 4AF to a 4AGE. I know I will need 4AFE or 4AGE fuel lines, fuel pump, fuel filter. My main concerns are the wiring and the exhaust. Can someone who has done it give me some advise/tips?
  10. Battery discharging

    Corolla Older Generations (1969-1987)
    Hi guys, I have a Te72 80' Since I change from external regulator alternator to internal regulator I'm having a discharge problem. The battery light its slightly on and keeps draining my battery. I can't find the IG wire that goes from the alternator to I don't know where. I'm going to post...
  11. My truck just stopped and wont turn back on. Any id

    89-95 Toyota Pickup/Hilux
    So i was adjusting my timing and messed up when using the diagnostics box and connected te1 to fp. My truck just stopped and wont turn back on. Any ideas on what I can do to fix it or what it even did?
  12. 2015 Camry le high beams tap?

    Camry 7th Generation (2012-2017)
    Sorry as this is my first post, anyone know what fuse(if any) triggers the high beams only? I have a led bar stealthed into my grill and want to trigger it with my high beams and would rather not cut into the harness. Figured I could fuse tap and run a relay off of that... Just can't find...
  13. 9th gen Corolla (03-08) headlights

    Corolla 9th Gen/1st Gen Matrix (2003-2008)
    I'm looking for some cosmetic "upgrades" for my 2007 Toyota Corolla LE and I was wanting to replace the headlights with ones that have Halos in them, I found a few spec-D headlights that look cool along with some spyder headlights that have halos, but I've done a little research and I've found...
  14. 94 pickup 2rz swap help needed!

    89-95 Toyota Pickup/Hilux
    hey everyone I recently dropped a 2rz in my 94 to replace the 22re and I'm not getting any spark or spray from the injectors.. I do have good fuel pressure. I have searched a bunch and have not found any definitive information on what to do. the engine and harness and ecu are out of a 98 (I...
  15. Wiring for a 2013 clock in a 2010 corolla

    Corolla 10th Gen/2nd Gen Matrix (2009-2013)
    Hey everyone!I just wanted to see if anyone out there has figured out how to wire a 2013 corolla dash clock into a 2010 corolla dash. Ive seen previous threads regarding this but im a noob when it comes to electrical stuff. If anyone has pictures or info id be very appreciative! :grin:
  16. How remove lower dash panels to get to OBDII, BCM, SLP for remote start DIY?

    Avalon 4th Generation (2013-2018)
    How remove lower dash panels to get to OBDII, BCM, SLP for remote start DIY? Am thinking about buying the remote start harness and module from 12voltsolutions. Seems like a decent company with adequately priced remote start modules with harnesses that will use your key FOB to start the car...
  17. Ignition Wiring Mystery

    Tacoma 1st Generation (1995.5–2004)
    Hi folks, I'm hoping there's a wiring genius out there who can shed some light on this. I don't have a Haynes guide which would probably help but I'm hoping one of you can. So here's the mystery: A while back I wired up a "kill switch" to my ignition so the truck couldn't be started without...
  18. 2008 Corolla Factory Reverse Camera Wiring

    Corolla 10th Gen/2nd Gen Matrix (2009-2013)
    Hello guys, I have a 2008 Corolla and I'm going to put a new Android headunit. My problem is how to connect factory reverse camera to it? Android unit has RCA and trigger wire only. Is there a way to get those outputs from factory connector? :dunno: Photo of current headunit is attached...
  19. 2009 Camry V6 LE Power Locks Don't Work At All

    Camry 5th and 6th Gen '02-'11, Solara '04-'08
    My 09 Camry power locks stopped working, none of the switches including the remote lock or unlock any of the doors. Its not the door switches or actuators, are there any fuses or relays or wiring diagrams for the locks because I have no clue whats left to check and I miss power locks.
  20. No Start - Fuel Pump Help Needed

    Camry 3rd and 4th Gen '92-'01, Solara '99-'03
    The other day, my 1996 Camry died while driving home. It will crank but not start. I don't hear the fuel pump run when I turn the key. I replaced the fuse and checked the EFI relay, which are both fine. I want to check that the fuel pump is actually receiving power through the wiring...