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Car Forum / Mazda / Mazda Miata / December 2004

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Dash illumination out! Fuse OK. 1997 626 LX. What could be wrong?

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Dan_Musicant - 10 Dec 2004 19:28 GMT
The 15 Amp fuse is OK. Looks fine, even swapped it out for another. It's
fuse 11, "Tail".

What can I check before giving in and visiting my mechanic? I've got the
owner's manual and the Chilton, but couldn't find anything. Thanks!!!
Don Bruder - 10 Dec 2004 20:09 GMT
> The 15 Amp fuse is OK. Looks fine, even swapped it out for another. It's
> fuse 11, "Tail".
>
> What can I check before giving in and visiting my mechanic? I've got the
> owner's manual and the Chilton, but couldn't find anything. Thanks!!!

Check *ALL* fuses - I've found from experience that the markings, such
as they are, in the 626 fuse box (mine's an '82) seem to have very
little, if any, resemblance to what the fuse is actually wired to - The
fuse labeled "radio" in mine, ferinstance, doesn't connect to anything
that gets anywhere near the radio - Instead, if my tracing of the wiring
involved is even a little like accurate, that fuse is wired into the
wipers, and the hot lead for the radio is wired into the fuse that
(supposedly...) connects to the brake (not tail/running) lights. Tail
and dashboard lights on mine are both wired into the same fuse, which
is, according to the label in the fusebox, supposed to be wired to the
A/C clutch, but isn't - The fuse that's actually wired to the A/C clutch
is two positions down from that one.

In other words, don't rely on that damned label for *ANYTHING* until
you've verified with a meter that a given fuse actually connects to what
the label says it does...

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Don Bruder - dakidd@sonic.net - New Email policy in effect as of Feb. 21, 2004.
Short form: I'm trashing EVERY E-mail that doesn't contain a password in the
subject unless it comes from a "whitelisted" (pre-approved by me) address.
See <http://www.sonic.net/~dakidd/main/contact.html> for full details.

Dan_Musicant - 10 Dec 2004 21:03 GMT
:> The 15 Amp fuse is OK. Looks fine, even swapped it out for another. It's
:> fuse 11, "Tail".
[quoted text clipped - 18 lines]
:you've verified with a meter that a given fuse actually connects to what
:the label says it does...

Thanks! I'll check EVERY fuse, and if they all check out I'm taking it
to my mechanic this afteroon.
Dan_Musicant - 11 Dec 2004 01:16 GMT
::> The 15 Amp fuse is OK. Looks fine, even swapped it out for another. It's
::> fuse 11, "Tail".
[quoted text clipped - 21 lines]
:Thanks! I'll check EVERY fuse, and if they all check out I'm taking it
:to my mechanic this afteroon.

I went in and chatted with my mechanic. He couldn't get to it today, but
says bring it in Wednesday morning. I think now the odds are that a bulb
burned out. I assumed that the whole instrument panel wouldn't go dark
from one bulb, but now I bet it's just that. They don't have a separate
bulb behind the tack, the speedometer, etc. do they?  I could replace it
myself if I could figure out how to remove/replace the dash. Is it easy
or tough? I do have Chiltons, although as noted in recent post in this
NG, Chiltonns for cars like this is kind of nasty - so many cars it's
hard to find what  you need. I think I may give it a try, though. The
weather's improved around here - warmed and stopped raining.
Lanny Chambers - 11 Dec 2004 03:30 GMT
> I could replace it
> myself if I could figure out how to remove/replace the dash.

See the miata.net Garage for hints.

Signature

Lanny Chambers, St. Louis, USA
'94C
the alignment page:
http://www.hummingbirds.net/alignment.html

Dan_Musicant - 19 Dec 2004 23:01 GMT
:> I could replace it
:> myself if I could figure out how to remove/replace the dash.
:
:See the miata.net Garage for hints.

Couldn't find any relevant hints there. I asked my mechanic if he
thought I could do it myself, and he tried to discourage me. He seemed
to say that the hardest part was disconnecting the speedometer cable
from the dash assembly prior to its release, which I'd have to do to be
able to switch out the bulbs. Unless someone tells me I can do it, I'm
bringing it in to him tomorrow morning.

Dan
Don Bruder - 19 Dec 2004 23:42 GMT
> :> I could replace it
> :> myself if I could figure out how to remove/replace the dash.
[quoted text clipped - 9 lines]
>
> Dan

If the '97 is anything like the '82, getting to the speedo cable to pull
it so that the cluster can be pulled varies between "pain in the a.s"
and "stone bitch" depending on the size of your hands. Pulling the
steering wheel is definitely mandatory action - don't bother even trying
without jerking the wheel off first. You'll accomplish nothing but
turning the air blue otherwise.

Signature

Don Bruder - dakidd@sonic.net - New Email policy in effect as of Feb. 21, 2004.
Short form: I'm trashing EVERY E-mail that doesn't contain a password in the
subject unless it comes from a "whitelisted" (pre-approved by me) address.
See <http://www.sonic.net/~dakidd/main/contact.html> for full details.

Dan_Musicant - 20 Dec 2004 18:32 GMT
:> :> I could replace it
:> :> myself if I could figure out how to remove/replace the dash.
[quoted text clipped - 16 lines]
:without jerking the wheel off first. You'll accomplish nothing but
:turning the air blue otherwise.

I figure odds are it's tougher than I'd like to mess with. The Chilton's
made it sound easy enough except for maybe the complications:

1. removing the speedo cable, "if necessary"

2. getting the wheel out of the way, if necessary.

How am I supposed to know from my vantage point? I'll ask my mechanic
how tough it was once he's done, if he thinks I could have done it
myself.    :)
Lanny Chambers - 20 Dec 2004 01:41 GMT
> :> I could replace it
> :> myself if I could figure out how to remove/replace the dash.
> :
> :See the miata.net Garage for hints.
>
> Couldn't find any relevant hints there.

My apologies, I missed that it's a 626, not a Miata. I'd buy a shop
manual.

Signature

Lanny Chambers, St. Louis, USA
'94C
the alignment page:
http://www.hummingbirds.net/alignment.html

Dan_Musicant - 20 Dec 2004 18:30 GMT
:> :> I could replace it
:> :> myself if I could figure out how to remove/replace the dash.
[quoted text clipped - 5 lines]
:My apologies, I missed that it's a 626, not a Miata. I'd buy a shop
:manual.

Umm. I only have Chiltons. A shop manual is something different, I take
it. My mechanic has some kind of computer system for checking out how to
fix various systems on the cars he works on. I guess a lot of that may
be online stuff, or maybe it's on disks, I don't know. I just brought
over the car and asked him if he thought it was wise to replace all the
bulbs back there if he found any burned out. He said he decides on that
generally based on how tough it was to get back there. He said he didn't
remember with my car... he does so many different cars. I left it there
and I guess he'll get to it this afternnoon and call me. thanks for the
ideas and help, people.
DBLZOOM - 20 Dec 2004 14:20 GMT
But, have you checked ALL the fuses yet as a previous post suggested?

> :> I could replace it
> :> myself if I could figure out how to remove/replace the dash.
[quoted text clipped - 9 lines]
>
> Dan
Dan_Musicant - 20 Dec 2004 18:27 GMT
:But, have you checked ALL the fuses yet as a previous post suggested?

Yes, I checked every single one. They all look OK. Thanks.

Dan

:> :> I could replace it
:> :> myself if I could figure out how to remove/replace the dash.
[quoted text clipped - 12 lines]
:>
:> Dan
DBLZOOM - 20 Dec 2004 14:20 GMT
But, have you checked ALL the fuses yet as a previous post suggested?

> :> I could replace it
> :> myself if I could figure out how to remove/replace the dash.
[quoted text clipped - 9 lines]
>
> Dan
Dan_Musicant - 21 Dec 2004 22:13 GMT
My mechanic replaced all 3 bulbs he found back there but the ones he
replaced looked good and checked out OK for continuity with a
multimeter. My guess is that a connector wasn't doing its job and when
the mechanic put it back together it was doing its job. The dash lights
are working again as well as the illumination in the various front dash
buttons. That's not a bulb thing, it's a question of juice getting to
everything.
Lanny Chambers - 21 Dec 2004 22:58 GMT
> The dash lights
> are working again as well as the illumination in the various front dash
> buttons.

Bet you're one happy guy, Dan. Congrats on getting the problem resolved.

Signature

Lanny Chambers, St. Louis, USA
'94C
the alignment page:
http://www.hummingbirds.net/alignment.html

 
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