catfish man Posted October 22, 2009 Share Posted October 22, 2009 hi everyone i have no horn working,no central locking and no heating working just had a look at fuses and found that one is broken looks as if its been snaped in half and the bottom is still in holder i dont know what it is for? its the white one next to the red cap with in the fuse box help cheers Quote Link to comment Share on other sites More sharing options...
pedrosixfour Posted October 22, 2009 Share Posted October 22, 2009 (edited) As far as I can make out its the 120amp fuse for the entire charging system. If this fuse is blown, your battery is not charging but that would be obvious fairly quickly. Dead car. I'd hazard that this fuse is missing it's top cover but is still completing the charging circuit if your car is starting and driving OK. You really need to test the charging fuse and circuit to be sure. Check the remaining fuses to see if any are blown, both in the engine compartment and in the driver's footwell. I'll see if I can isolate particular fuses to pay attention to. Edited October 22, 2009 by pedrosixfour (see edit history) Quote Link to comment Share on other sites More sharing options...
Terminator Posted October 22, 2009 Share Posted October 22, 2009 It is either (a)physical damage or(b) a dead short of the system. If (a) there will be no sign of melting just a crack in the metal if so simply replace. If (b) it must be investigated as it would take a major fault to blow that fuse. The pic is too blurred to tell which it is. Quote Link to comment Share on other sites More sharing options...
SteveC Posted October 22, 2009 Share Posted October 22, 2009 Connecting the battery the wrong way around would also cause the 120A fuse to blow (plus a couple of other smaller fuses - and, if the ignition was on at the time, I believe also the igniter pack could possibly fail). The 120A fuse is part number 90982-08271 and around £14 or so from the Toyota dealer. Quote Link to comment Share on other sites More sharing options...
Guest Cody Phillips Posted October 22, 2009 Share Posted October 22, 2009 Check the single wire on the alternator and make sure you have a good connection. It sounds like you'll need to replace the fuese no matter what. You won't be able to pull it out of the fuse block, you have to actually disassemble the block and unbolt the fuse to replace it. Chances are you shorted out the wire that comes off the alternator........... Quote Link to comment Share on other sites More sharing options...
catfish man Posted October 22, 2009 Author Share Posted October 22, 2009 hi everyone i have no horn working,no central locking and no heating working just had a look at fuses and found that one is broken looks as if its been snaped in half and the bottom is still in holder i dont know what it is for? its the white one next to the red cap with in the fuse box help cheers[ATTACH]100260[/ATTACH] [ATTACH]100261[/ATTACH] thanks for the advice yea it looks like the fuse has been broken by force , ive just bought the car on tuesday but i was only told about the central locking not working:( Quote Link to comment Share on other sites More sharing options...
max21 Posted January 25, 2010 Share Posted January 25, 2010 (edited) Hello, I have the same problem with my Supra, please may I know how you fixed yours? i.e. the lack of power, starting, e.t.c. and the blown fuses + 120Amp alternator fuse? Thanks. Regards, H Edited January 29, 2010 by max21 (see edit history) Quote Link to comment Share on other sites More sharing options...
Guest hgonzalez Posted January 26, 2010 Share Posted January 26, 2010 (edited) I had the exact thing happen to me the other day. My car had been parked for about 2 months. I went to start it but it did not start. I again tried to start it then I heard a loud pop. I checked the fuse box and saw the EFI 2 fuse was blown, so I replaced it. When I started the car the car wanted to shut off, the windows would not work and the power steering felt stiff. The lights on the dash board were also turning on and off like a christmas tree. The next day I saw radiator coolant had leaked on the alternator and that my 120 fuse was blown. I have yet to check the alternator voltage but I'm about to relace the fuse. This might have hapened to you also? Its worth looking into. Does anyone know if the radiator coolant could short out the fuses and even worse damage the alternator? Edited January 27, 2010 by hgonzalez (see edit history) Quote Link to comment Share on other sites More sharing options...
max21 Posted January 29, 2010 Share Posted January 29, 2010 Yes, I think there is a "short" somewhere as I have replaced the 120Amp Fuse link and the 30amp - AMS fuse and the same thing happened. Both 30 amp and 120 amp fuse were blown immediately I connected the battery terminals. Please can anyone help or has anyone experianced something similar? By the way, does anyone know what the 30amp AMS fuse does or what it is connected to? Thanks. H Quote Link to comment Share on other sites More sharing options...
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