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Joined: Jan 2004
Posts: 1
srfdriver22
New Member
srfdriver22 Jan 20, 12:24am - #86522 
2000 Black Toyota Celica
New Member
2000 Toyota Celica

Joined: Jan 2004
Posts: 1
Orlando
Stereo Install, Now My Gauges Dont Work - Are They Fried?

I had done an ipod install on my 2000 Celica GTS (w/ premium sound), and everything was fine. I opened it all up again today to tidy up the mess and with a quick flash, my stereo shut off.

It's the stock head unit, which now won't turn on. My clock won't either and the dials for my A/C won't turn on either. However, the A/C light and rear window heating light do turn on.

I checked the fuses, and they all looked fine to me, so what else can I check?

EDIT1: I double checked on the fuses and I feel like a jackass now. I found the culprit fuse. However, nobody around has that fuse. Is Toyota the only option? (It's the 6 prong fuse, 7.5).

EDIT2: Ok, I found the spare and that's running fine now. However, the LCD light on my stereo and the lights for the clock and A/C controls are out. Is there a fuse for this? If so, which fuse? Or is there something else that I need to check?
Joined: May 2002
Posts: 6,007
isaac
ECelica Admin
isaac Jan 20, 1:16am - #86523 
2001 Absolutely Red Toyota Celica GT
ECelica Admin
2001 Toyota Celica GT

Joined: May 2002
Posts: 6,007
Los Angeles, CA
Originally Posted by srfdriver22
EDIT1: I double checked on the fuses and I feel like a jackass now. I found the culprit fuse. However, nobody around has that fuse. Is Toyota the only option? (It's the 6 prong fuse, 7.5).


There are a few spare fuses in your engine bay's fuse box (under the Hood of your car) Open the fuse box and look at the section that says "spare" on the bottom of the lid thumbsup

That particular fuse sells for about $4 to $12 EACH, directly from Toyota.

Toyota "Type B" 7.5 AMP Multi-Fuse:

Linked Image


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Before continuing, review this thread first...
https://www.celicahobby.com/forums/ubbthreads.php/topics/428818/HELP-No-power-Radio-and-Clock.html
If you've replaced the fuse and are still having problems, continue reading:


Originally Posted by srfdriver22
EDIT2: Ok, I found the spare and that's running fine now. However, the LCD light on my stereo and the lights for the clock and A/C controls are out. Is there a fuse for this? If so, which fuse? Or is there something else that I need to check?


You may have fried a connection, located within the gauge cluster.

I experienced the same results a few years ago and took the Celica to Toyota for diagnostics. They found exactly what the problem was.

NOTE: Toyota mentioned that because I had an aftermarket radio, this electrical diagnostic was not covered under warranty.

After paying for diagnostics, Toyota told me that the problem could be corrected by replacing the gauge cluster for $475 (the cost of the gauge cluster). The exact problem was that the dimmer circuit inside the gauge cluster had been fried. I'm not sure why the fuse didn't protect this, but evidently, it did not.

Rather than replacing the entire gauge cluster, the Toyota technician provided another solution. An unauthorized by Toyota, non-standard solution. Splice the center console's dimmer-switch accessory control wires together, bypassing the gauge cluster. The problem was solved!

The center console & gauge cluster are controlled by the same dimmer switch, this hack separates them and causes the dimmer knob to only control the gauge cluster, and not the accessory panel. This is exactly how I believe the dimmer should work in the first place; when headlights are ON, full brightness to center console (AC/radio/clock) and adjustable brightness to gauge cluster (speedometer/tachometer/fuel...etc)

That solution was what the Toyota technician said would work, but he also stated that although it fixed the problem, it was NOT a solution that was authorized by Toyota. He demonstrated the working solution, let me take a few pictures, and then told me exactly what needed to be done (as pictured below).

Fuse block diagrams:
https://www.celicahobby.com/forums/...e-Room-and-Center-Junction-Diagrams.html

For the Gauge Cluster / Combination Meter, begin reading through BE-41
https://www.celicahobby.com/photos/celica/tech/ShopMan2/BE/celicashopmanual2_Page_0867.jpg.html
Dcp_0025b.jpgDcp_0026b.jpg
· Toyota 7.5 AMP "Type B" Multi-Fuse
Toyota-Multi-Fuse-7.5.jpg
Joined: Apr 2015
Posts: 1
kingamra
New Member
kingamra Apr 22, 9:26am - #450585 
New Member

Joined: Apr 2015
Posts: 1
Florida
Can anyone tell me what pin slots (#) these are?

Connector "A" looks like 20 (speed sensor SI terminal)

Connector "B" looks like 12 (Automatic light control sensor)

Please advise.

Ty!
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