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danworth
Iketani
Joined: 26 Jul 2007
Posts: 46
Location: Essex
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 Posted: Thu Jul 24, 2008 12:19 am Post subject: Cluster back light |
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My Cluster back light when out tonight and isn't coming back on...
is there a fuse for this?
Every thing else in the cluster works fine...
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My Hachi Roku
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danworth
Iketani
Joined: 26 Jul 2007
Posts: 46
Location: Essex
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| Posted: Thu Jul 24, 2008 9:35 am Post subject: |
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I've just seen a picture of the back of the cluster and there doesn't appear to be a fuse...
it leaves either the bulbs or the cluster dimmer control
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cavey
Takumi
Joined: 07 Dec 2007
Posts: 317
Location: Arnemuiden, Netherlands
1986 Toyota Corolla AE86 (late EU)
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| Posted: Thu Jul 24, 2008 9:42 am Post subject: |
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I've had this happen to me too. At first I had 0-clue about the dimmer... 
Anyways, sometimes the connection just goes borken, I've read on this forum (I think some posts by either Ivan or DJexor) that they just tap on the light switch a bit, and then the cluster lights go on again.
Otherwise, I'm very interested in knowing how to change the lightbulbs ^_^ (but if both (or more?) are out, chances are more that it is a faulty connection somewhere, I'm inclined to check the dimmer control for that).
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banpei
Site Admin
Joined: 15 Aug 2004
Posts: 7921
Location: Hilversum
1982 Toyota Carina
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| Posted: Thu Jul 24, 2008 10:06 am Post subject: |
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You can only change the lightbulbs by removing the whole cluster for which you need to remove both switches, steering wheel and the panel around the steering wheel. Then you can remove the black surrounding to get to the cluster.
Best to check the switch then as well. You can find in the body repairmanual how to check the switch not being faulty. 
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Sailor Hachi says: "hachini kawatte oshiokiyo" (In the name of the hachi: I'll punish you!)
1982 - TA60 Carina 4dr sedan - family cruiser
2004 - AEU86 dot ORG - daily domain
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danworth
Iketani
Joined: 26 Jul 2007
Posts: 46
Location: Essex
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| Posted: Thu Jul 24, 2008 2:48 pm Post subject: |
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I guees it is basically a variable resistor, and should be able to test with a multimeter...
I started stripping the dash out (11 o'clock last night) an thought surely there's a fuse and put it back together... I'll start earlier tonight so i have some day light...
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eight-six
Ryousuke
Joined: 23 Aug 2005
Posts: 149
Location: South West UK
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| Posted: Thu Jul 24, 2008 5:33 pm Post subject: |
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Dan, FYI some 86's had a dash dimmer control, which is adjusted by the ring that goes around the headlight control - maybe you have one and have alterered it by mistake without knowing? Try tweking the ring and see if anything happens?
If not then its probably a bulb.
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danworth
Iketani
Joined: 26 Jul 2007
Posts: 46
Location: Essex
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| Posted: Thu Jul 24, 2008 6:24 pm Post subject: |
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| eight-six wrote: | Dan, FYI some 86's had a dash dimmer control, which is adjusted by the ring that goes around the headlight control - maybe you have one and have alterered it by mistake without knowing? Try tweking the ring and see if anything happens?
If not then its probably a bulb. |
| Quote: | I've just seen a picture of the back of the cluster and there doesn't appear to be a fuse...
it leaves either the bulbs or the cluster dimmer control... |
I know about the control, my car does has the control, but adjusting it make no difference..
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danworth
Iketani
Joined: 26 Jul 2007
Posts: 46
Location: Essex
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| Posted: Thu Jul 24, 2008 9:39 pm Post subject: |
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Ok a bit weird...
Went to the car today and the cluster light is working...
must be a dodgy connection...
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banpei
Site Admin
Joined: 15 Aug 2004
Posts: 7921
Location: Hilversum
1982 Toyota Carina
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| Posted: Thu Jul 24, 2008 9:57 pm Post subject: |
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I see more often these switches fail. Must be due to them being 25 years old...
_________________
Sailor Hachi says: "hachini kawatte oshiokiyo" (In the name of the hachi: I'll punish you!)
1982 - TA60 Carina 4dr sedan - family cruiser
2004 - AEU86 dot ORG - daily domain
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DJexor
Moderator
Joined: 24 Oct 2004
Posts: 1428
Location: Netherlands, Den Haag
1985 Toyota Corolla AE86 (early Levin)
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| Posted: Fri Jul 25, 2008 8:15 am Post subject: |
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| cavey wrote: |
Anyways, sometimes the connection just goes borken, I've read on this forum (I think some posts by either Ivan or DJexor) that they just tap on the light switch a bit, and then the cluster lights go on again.
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I just slap my dashbord and say "you evil car, how dare you" and then it pops on again
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9/2001 Toyota Yaris 1.5 T-Sport
1/1985 Toyota AE86 Levin Coupe
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cavey
Takumi
Joined: 07 Dec 2007
Posts: 317
Location: Arnemuiden, Netherlands
1986 Toyota Corolla AE86 (late EU)
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| Posted: Fri Jul 25, 2008 9:40 am Post subject: |
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maybe getting the switch out in the open would be cool, and spraying some contact spray (non-corrosive variety) on the switch and hope it suffices  .
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EE80Liftback
Takumi
Joined: 16 Feb 2006
Posts: 475
Location: Espoo, Finland
1990 Peugeot 309
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| Posted: Fri Jul 25, 2008 10:50 am Post subject: |
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I'd start by shortcutting the rheostat switch (or dimmer or what ever you want to call it) as the coils inside it might have burned or the metal slider might not contact it anymore. With the rheostat shortcutted the bulbs should come on at full brightness.
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