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Was under the impression that there was only 1 fuse in the engine fuse box, and one in the kick panel.

Thread is dead, with no real info. Sad.

Very helpful diagrams, where'd you get them? What model and year SC are these?

its a 7.5 A fuse. And there are pictures on these forums of the fuse locations, do some audio searches.

I would find the appropriate wiring diagrams, and make sure you've got all of the right wires going to the right place. I believe those diagrams from intelexual which come from help4you are incorrect. I may not be right about that, but that what it seems to me. Hey, were there any fuses on the HU? on a power line to the HU?

Is there another fuse in the HU, behind the HU that could be blown? So far for audio, I know of only 2 fuses. One in each fuse box. Any others anywhere else?

very helpful, thanks!

just the fuse

Are you saying that if the cabin temp is much different from the set temp, it'll turn up the fan to accelerate climate change? Would make sense, but why does the air flow setting change too. I change the air flow setting with the temp knob, anyone else do that? Situation is intermittant, btw.

Darth Vader mobile, just me driving around, breathing. Other day, driving, van stopped in front of me, I change lanes into right lane. As I come around side of van, homeless dude comes out from in front of van into my lane. Stopped on a dime. Psycho stop. If that was in the prelude... I might be in jail, or at the least, a lot of trouble. So who can complain? The SC has some serious upside, even if it is dead quite right now.

Okay, please refer to 95 sc400 audio problems for background on what is going on, but I've just noticed the climate control seems to be acting oddly: If I turn the system onto auto, then press the AC button, extingishing the green light, then if I turn the temp knob, it controls all 3 climate controls at once. If I turn the knob to the right which should raise temerature, the fan also goes up, and the air flow setting moves to the right. If I turn the knob to the left, the fan goes down, and the air flow setting moves to the left. My Q: is this normal sc behavior? Seems very odd to me, and I don't recall this happening before. Wazup?

I believe the above information is not correct for the pioneer system in the 95 sc400. This diagram appears to be accurate: http://www.lexuspros.com/tutorial2.htm If anyone could clarify, that would be great. BTW - I've searched all over this site, and the only answers for "my radio has no power" questions are check the fuses. If the fuses are fine, any other possibilities?

yeah, ask you guys!

http://www.autotoys.com/x/catalog/LEXUS_SC...ESS_p_1396.html is this ligit?

No power to the head unit at all. Just tried a technique from sportcoupe300. plugged in amp, and bridged the 12v to the remote on. The antenna went up, but no head unit power. The amp should have powered up, but how can you tell if the amp is powering up? All fuses are fine, and there is power back to the amp. I now have the amp out of the car, and open, does anyone have a technique to test if the amp is burnt?

Head unit was working without changer attached. Is there some "remote on" or somesuch wire that could be fried or reset? I read that in another post, the fix involved crossing the 12v with the remote wire but I've no idea which is which. Time to start sticking my screwdriver into all kinds of odd places.

Just got a 95 sc400. Love everything except I'm a little too tall for it - my head rubs against the cabin ceiling, causing massive static in my hair :cries: looking like bride of frankenstien! Beyond that, the cd changer was broken. In the process of attempting to fix the cd changer, i believe the wire harness that plugs from the amp into the cd changer began to go intermittant on me. Thus I started messing with the wire harness. Started the car, and now radio will not power up. All three radio fuses are okay (one in the engine fuse box, two in the kick panel fuse box). My basic question is: what happened!? Is the head unit fried? Is the amp fried? Could a cable be fried? Is there a fuse somewhere else? How can I test what element is fried? If amp is fried, will radio power up? Any and all help would be great, thanks!