ok, i unbolted my fuse box on the left of the engine bay, to move it so so i can cut a hole for my upperball joints. after i cutt the holes and i bolted them back on. and put everything back, then try to move my car. i noticed my gauge was not working, so i checked my fuses then changed it out (10amp fuse). it works but when i drive it would just popping. what should i do? move up to a bigger amp fuse or whats the deal? btw i have a system is that makes a diffrence.

 

have anything wired to it?

if not, check all your grounds, there may be something grounded to one of the bolts that attaches the fuse box. or, maybe some kind of relay is loose.

other than that, i really don't know. maybe going to a 15a wouldn't hurt but much higher than that you run the risk of burning wires up if the draw gets too high.

 

booo, moved up to a 15a fuse. blew that too. does anyone have a diagram of the relay box? or the gauge cluster fuse ANYTHING that can help, its sucks when it blows and i cant take it out of park

 

id say check the wiring..might be loose somewhere or touching metals..also..post pics of the hole u cut

 

What fuse is it ? What does the label say that it goes to?.

 

it blows the fuse under my dash on the drivers side. a 10A on the pannel it says Gauge 10a. pictures will be available once i find a camera =[

 

Bringing up the past. Did you figure it out

 

Hi all,

Found this thread - and thought I might post this to return to the Lexus community..

Wiring up (late at night) for Auto-Vox M1W reverse camera (no sensor in this era LS400).

Was late and did a rush job to splice reverse lighting (see photos). Was sure +ve and ground wire not touching with electrical tape - but alas was late..

Confirmed that the reverse wiring circuitry for LS400 (last shape 99) - LINKED - to instrumentation cluster circuit - ie gauge fuse 10amp. This WILL keep blowing if reverse lighting circuit has a short in it .!

Once fault found with (new) short on reverse lighting circuit - hurrah - no more blowing gauge fuse - 10amp.

Initially blamed the Auto-Vox camera gear as no picture when put in reverse (wireless - only come on when there is image transmitted from camera - which did not have power as per above mentioned issue with short in splice wiring).

Check your reverse light wiring and isolate short .!

And take note the reverse circuit in this era Lexus (could be other models) are linked to Instrumentation cluster fuse circuit - who knows why .! ??

Not quite million mile Lexus - ~420k km (260k+ miles).

Keep em running Lexus fans out there .!

Kind regards,
Bill.

 

just to add / correct:

There is no separate reverse lighting circuit fuse I think - this is one the same as the instrumentation gauge circuit (10amp fuse).

Checked closely the factory fuse diagram - there is stop lights fuse, turn lights fuse (7.5amps) - but not for reverse lights - cost saving or run out of fuse location .?!