04-04-2009, 02:46 PM
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#61
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FSC BOT
Join Date: Jul 2008
Location: OK
Age: 19
Posts: 4,527
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Re: 91-94 OBS gauge cluster LED conversion. HOW-TO
On the 94 cluster w/out tac you only need 5 bulbs and you'll need to solder. You all also don't have to get the white stuff off the face for blue leds.
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Dubbed FSC BOT by: WildChevys
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04-05-2009, 05:00 PM
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#62
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Major
Join Date: Apr 2007
Location: Indiana
Age: 19
Posts: 9
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Re: 91-94 OBS gauge cluster LED conversion. HOW-TO
I definetly have something for myself to do on a rainy day now. I'm pumped to do this! I'm thinking about doing red for myself too! Nice Jobe man
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DP
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04-05-2009, 05:29 PM
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#63
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Registered User
Join Date: Jul 2008
Location: Pennsville, New jersey (southern)
Age: 15
Posts: 1,309
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Re: 91-94 OBS gauge cluster LED conversion. HOW-TO
Thanks guys.
__________________
91 RCSB|350|5 speed|3.42 G80|400k miles+|stock...15.67 @84
^ 89k 350,tbimods,Spacers,headers,Southbend clutch,AFPR...soon to be dropped in.:)
Dad's-87 SWB 2wd|305tbi
stuff-4 cummins powered dodge rams
& 81 C10 swb 13.54-1/4 ET,5/8 drop
94 K1500 ECSB 4x4,5.0L,4L60E,3.73's,Magnaflow
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04-05-2009, 05:31 PM
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#64
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Registered User
Join Date: Jul 2008
Location: Pennsville, New jersey (southern)
Age: 15
Posts: 1,309
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Re: 91-94 OBS gauge cluster LED conversion. HOW-TO
Quote:
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Originally Posted by hornsfan10609
The moonie cluster has green plastic pieces that go between the gauge face and light, and the blue LEDs I have in my cluster light up very blue, no tint of green at all. I know it is due to the lightwaves of blue and green being a closer frequency than other colors or something along those lines.
Finally, after over a year of having the bulbs in, I took a picture of my cluster.

After reading this thread, I thought of the only gauge needle in my entire truck and decided to clear it. So now I have a clear gear indicator, and I love it.

Even these pics are kinda old. My truck has almost 97K miles on it now. 
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 looks nice, did you do your hvac too?
you need to drive your truck more
__________________
91 RCSB|350|5 speed|3.42 G80|400k miles+|stock...15.67 @84
^ 89k 350,tbimods,Spacers,headers,Southbend clutch,AFPR...soon to be dropped in.:)
Dad's-87 SWB 2wd|305tbi
stuff-4 cummins powered dodge rams
& 81 C10 swb 13.54-1/4 ET,5/8 drop
94 K1500 ECSB 4x4,5.0L,4L60E,3.73's,Magnaflow
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04-05-2009, 05:36 PM
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#65
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Drives an OBS
Join Date: Jan 2008
Location: Edmond, Ok
Age: 18
Posts: 722
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Re: 91-94 OBS gauge cluster LED conversion. HOW-TO
I think this should be stickied
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04-06-2009, 05:29 AM
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#66
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Registered User
Join Date: Jul 2008
Location: Pennsville, New jersey (southern)
Age: 15
Posts: 1,309
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Re: 91-94 OBS gauge cluster LED conversion. HOW-TO
I'd have to post it in the tech articles thing so it could be put up for review and then stickied....
__________________
91 RCSB|350|5 speed|3.42 G80|400k miles+|stock...15.67 @84
^ 89k 350,tbimods,Spacers,headers,Southbend clutch,AFPR...soon to be dropped in.:)
Dad's-87 SWB 2wd|305tbi
stuff-4 cummins powered dodge rams
& 81 C10 swb 13.54-1/4 ET,5/8 drop
94 K1500 ECSB 4x4,5.0L,4L60E,3.73's,Magnaflow
Last edited by crossy's son; 04-06-2009 at 05:29 AM.
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04-06-2009, 01:51 PM
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#67
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Registered User
Join Date: Aug 2006
Location: Austin Texas
Age: 19
Posts: 2,622
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Re: 91-94 OBS gauge cluster LED conversion. HOW-TO
Quote:
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Originally Posted by crossy's son
 looks nice, did you do your hvac too?
you need to drive your truck more
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No, I still haven't done the HVAC, I completely forgot about it. I actually am going to do a few things to the truck here pretty soon, i've got money saved up for it. Namely a grille swap and some HIDs. And no I need to drive less, I don't want any more miles on it, I want to preserve it. I want to drive my other car more, even though I want to keep the miles off of that too. Oh well, I don't know what to do, I guess I need something high mileage that I can drive as much as I want.
__________________
91 RCSB C1500 4.3 4L60 Cash for Clunkered 8/3/09
09 Ford Mustang Bullitt #5998 Brenspeed Tune, LCAs. 13.4 @104.3
94 Ford Mustang SVT Cobra Way too much to list. SOLD 9/4/08
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04-06-2009, 08:57 PM
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#68
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Registered User
Join Date: Mar 2008
Location: Swartz Creek, MI
Age: 18
Posts: 142
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Re: 91-94 OBS gauge cluster LED conversion. HOW-TO
This was a big help, thanks... i just finished today and i cant wait to get the money for some blue leds...
While I had it apart i modified it to read past 85... hehehe
__________________
1991 Chevy C2500
-Hedman longtube headers, true dual exhaust, H pipe, no cats, Thrush welded
-K&N FIPK CAI

Last edited by bradschevy; 04-06-2009 at 09:00 PM.
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04-07-2009, 05:41 AM
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#69
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Registered User
Join Date: Jul 2008
Location: Pennsville, New jersey (southern)
Age: 15
Posts: 1,309
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Re: 91-94 OBS gauge cluster LED conversion. HOW-TO
NICE! you showed exactly what i was talking about between the green crap and what it should be!!
__________________
91 RCSB|350|5 speed|3.42 G80|400k miles+|stock...15.67 @84
^ 89k 350,tbimods,Spacers,headers,Southbend clutch,AFPR...soon to be dropped in.:)
Dad's-87 SWB 2wd|305tbi
stuff-4 cummins powered dodge rams
& 81 C10 swb 13.54-1/4 ET,5/8 drop
94 K1500 ECSB 4x4,5.0L,4L60E,3.73's,Magnaflow
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04-07-2009, 09:32 AM
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#70
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FSC BOT
Join Date: Jul 2008
Location: OK
Age: 19
Posts: 4,527
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Re: 91-94 OBS gauge cluster LED conversion. HOW-TO
Quote:
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Originally Posted by bradschevy
While I had it apart i modified it to read past 85... hehehe
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It should have gone past 85 without modifications.
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Dubbed FSC BOT by: WildChevys
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04-07-2009, 12:55 PM
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#71
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Registered User
Join Date: Jul 2008
Location: Pennsville, New jersey (southern)
Age: 15
Posts: 1,309
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Re: 91-94 OBS gauge cluster LED conversion. HOW-TO
i like the tach too!
__________________
91 RCSB|350|5 speed|3.42 G80|400k miles+|stock...15.67 @84
^ 89k 350,tbimods,Spacers,headers,Southbend clutch,AFPR...soon to be dropped in.:)
Dad's-87 SWB 2wd|305tbi
stuff-4 cummins powered dodge rams
& 81 C10 swb 13.54-1/4 ET,5/8 drop
94 K1500 ECSB 4x4,5.0L,4L60E,3.73's,Magnaflow
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04-07-2009, 03:29 PM
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#72
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Registered User
Join Date: Mar 2008
Location: Swartz Creek, MI
Age: 18
Posts: 142
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Re: 91-94 OBS gauge cluster LED conversion. HOW-TO
lol thanks, i cant afford a new cluster... so i made the tach fit. Next will be blue leds
Nope... there is a little prong that stops it at 85 so i made the hole for the prong longer... hard to explain...
By the way, you are so lucky you got a 91 cluster with the tach, i had to do the connector swap and put in a DRAC...
__________________
1991 Chevy C2500
-Hedman longtube headers, true dual exhaust, H pipe, no cats, Thrush welded
-K&N FIPK CAI

Last edited by bradschevy; 04-07-2009 at 03:38 PM.
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04-07-2009, 03:37 PM
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#73
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Registered User
Join Date: Jul 2008
Location: Pennsville, New jersey (southern)
Age: 15
Posts: 1,309
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Re: 91-94 OBS gauge cluster LED conversion. HOW-TO
wait, let me get this straight
you have a 91 with a FACTORY needle gauge cluster with NO tach????? thats like rarer then if it did have a tach! most 91's had the moonie cluster except the late 91's.
__________________
91 RCSB|350|5 speed|3.42 G80|400k miles+|stock...15.67 @84
^ 89k 350,tbimods,Spacers,headers,Southbend clutch,AFPR...soon to be dropped in.:)
Dad's-87 SWB 2wd|305tbi
stuff-4 cummins powered dodge rams
& 81 C10 swb 13.54-1/4 ET,5/8 drop
94 K1500 ECSB 4x4,5.0L,4L60E,3.73's,Magnaflow
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04-07-2009, 04:12 PM
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#74
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Registered User
Join Date: Aug 2006
Location: Austin Texas
Age: 19
Posts: 2,622
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Re: 91-94 OBS gauge cluster LED conversion. HOW-TO
Quote:
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Originally Posted by crossy's son
wait, let me get this straight
you have a 91 with a FACTORY needle gauge cluster with NO tach????? thats like rarer then if it did have a tach! most 91's had the moonie cluster except the late 91's. 
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The tach-less needle cluster came out in 92, he did the DRAC swap, it says in his post.
__________________
91 RCSB C1500 4.3 4L60 Cash for Clunkered 8/3/09
09 Ford Mustang Bullitt #5998 Brenspeed Tune, LCAs. 13.4 @104.3
94 Ford Mustang SVT Cobra Way too much to list. SOLD 9/4/08
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04-07-2009, 06:23 PM
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#75
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Registered User
Join Date: Mar 2008
Location: Swartz Creek, MI
Age: 18
Posts: 142
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Re: 91-94 OBS gauge cluster LED conversion. HOW-TO
Hahah ya i did the DRAC swap, and i believe its a 93 cluster, would have liked the one with the tach, but this one was free...
Anyone hear of spray painting your light bulbs? And if you have, why not?
__________________
1991 Chevy C2500
-Hedman longtube headers, true dual exhaust, H pipe, no cats, Thrush welded
-K&N FIPK CAI

Last edited by bradschevy; 04-07-2009 at 06:26 PM.
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04-07-2009, 06:58 PM
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#76
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FSC BOT
Join Date: Jul 2008
Location: OK
Age: 19
Posts: 4,527
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Re: 91-94 OBS gauge cluster LED conversion. HOW-TO
Well that sucks mine 94 cluster goes past 85.
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Dubbed FSC BOT by: WildChevys
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04-07-2009, 07:19 PM
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#77
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Registered User
Join Date: Aug 2006
Location: Austin Texas
Age: 19
Posts: 2,622
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Re: 91-94 OBS gauge cluster LED conversion. HOW-TO
Quote:
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Originally Posted by bradschevy
Anyone hear of spray painting your light bulbs? And if you have, why not?
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The paint could burn off, and it won't be transparent. Plus LEDs aren't that expensive, you mine as well just buy some.
__________________
91 RCSB C1500 4.3 4L60 Cash for Clunkered 8/3/09
09 Ford Mustang Bullitt #5998 Brenspeed Tune, LCAs. 13.4 @104.3
94 Ford Mustang SVT Cobra Way too much to list. SOLD 9/4/08
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04-07-2009, 07:44 PM
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#78
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Registered User
Join Date: Mar 2008
Location: Swartz Creek, MI
Age: 18
Posts: 142
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Re: 91-94 OBS gauge cluster LED conversion. HOW-TO
Okay, the burning part is what i was afraid of... i got some blue colored ones from auto zone but they faded is 6 months? WTF? ya ill jus save my money for some leds... any stores sell them? Cuz its hard for me to order online...
Another wild thought of mine... Thin coat of blue spray paint where i scrapped the green off?
__________________
1991 Chevy C2500
-Hedman longtube headers, true dual exhaust, H pipe, no cats, Thrush welded
-K&N FIPK CAI

Last edited by bradschevy; 04-07-2009 at 07:47 PM.
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04-07-2009, 07:47 PM
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#79
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Registered User
Join Date: Jul 2008
Location: Pennsville, New jersey (southern)
Age: 15
Posts: 1,309
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Re: 91-94 OBS gauge cluster LED conversion. HOW-TO
yea radioshack, they may be able to order them for you. or local electronics store.
__________________
91 RCSB|350|5 speed|3.42 G80|400k miles+|stock...15.67 @84
^ 89k 350,tbimods,Spacers,headers,Southbend clutch,AFPR...soon to be dropped in.:)
Dad's-87 SWB 2wd|305tbi
stuff-4 cummins powered dodge rams
& 81 C10 swb 13.54-1/4 ET,5/8 drop
94 K1500 ECSB 4x4,5.0L,4L60E,3.73's,Magnaflow
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04-07-2009, 07:52 PM
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#80
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Registered User
Join Date: Mar 2008
Location: Swartz Creek, MI
Age: 18
Posts: 142
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Re: 91-94 OBS gauge cluster LED conversion. HOW-TO
Cool, you did a real good job with this write up  , thanks for everything
__________________
1991 Chevy C2500
-Hedman longtube headers, true dual exhaust, H pipe, no cats, Thrush welded
-K&N FIPK CAI

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