04-07-2009, 07:56 PM
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#81
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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 bro.  It was fun and the ending result is SICK
keep an eye out for my throttle body rebuilt how-to thread, almost done
__________________
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; 04-07-2009 at 07:57 PM.
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04-07-2009, 08:17 PM
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#82
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Registered User
Join Date: Mar 2008
Location: Swartz Creek, MI
Age: 18
Posts: 140
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Re: 91-94 OBS gauge cluster LED conversion. HOW-TO
That should be awesome, are you gonna do the porting too? ive seen that done on here before....
__________________
1991 Chevy C2500
-Hedman longtube headers, true dual exhaust, H pipe, no cats, Thrush welded
-K&N FIPK CAI

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04-08-2009, 05:27 AM
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#83
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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
no just polish.
__________________
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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04-11-2009, 08:24 PM
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#84
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Registered User
Join Date: Nov 2006
Location: Texas
Age: 19
Posts: 489
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Re: 91-94 OBS gauge cluster LED conversion. HOW-TO
Quote:
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Originally Posted by bradschevy
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Could you show us how you put that tach there?
__________________

1995 Chevrolet C1500 Silverado | ECSB | TBI 5.7L | 4L60E | 3.42 | Indigo Blue & Beige
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04-11-2009, 08:43 PM
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#85
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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
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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Did you use the same process as crossyson?
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04-12-2009, 01:54 PM
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#86
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Registered User
Join Date: Mar 2008
Location: Swartz Creek, MI
Age: 18
Posts: 140
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Re: 91-94 OBS gauge cluster LED conversion. HOW-TO
I wish i would have took pictures of that, i basically took the tach completely appart and drilled a small hole for the needle shaft to go through... and gutted the plastics behind that area... ill take pics when i put my leds in there...
__________________
1991 Chevy C2500
-Hedman longtube headers, true dual exhaust, H pipe, no cats, Thrush welded
-K&N FIPK CAI

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04-12-2009, 03:36 PM
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#87
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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
BTW, if you clear the needles then they'll be transparent and look weird because you'd see the numbers behind them.
I cleared mine and sprayed the backs white and they look perfect at night.
__________________
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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04-14-2009, 12:55 AM
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#88
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Registered User
Join Date: Mar 2008
Location: Swartz Creek, MI
Age: 18
Posts: 140
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Re: 91-94 OBS gauge cluster LED conversion. HOW-TO
Man that looks sick... if pontiac made a truck lol at this point i could go red.... but my pioneer is all blue thats the only reason i want blue... gonna hafta do the HVAC too.... i used white model paint on my needles... didnt have the patience to tape it all off like you lol how did you like the little mirror in the needle? i thought that was clever on GM's part...
__________________
1991 Chevy C2500
-Hedman longtube headers, true dual exhaust, H pipe, no cats, Thrush welded
-K&N FIPK CAI

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04-14-2009, 12:21 PM
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#89
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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 i was lookin at that.
__________________
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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04-14-2009, 09:27 PM
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#90
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Registered User
Join Date: Mar 2008
Location: Swartz Creek, MI
Age: 18
Posts: 140
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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
BTW, if you clear the needles then they'll be transparent and look weird because you'd see the numbers behind them.
I cleared mine and sprayed the backs white and they look perfect at night.

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Is it jus me? or the camera? but it looks like all your heater controls dont light up?
__________________
1991 Chevy C2500
-Hedman longtube headers, true dual exhaust, H pipe, no cats, Thrush welded
-K&N FIPK CAI

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04-14-2009, 09:39 PM
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#91
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FSC BOT
Join Date: Jul 2008
Location: OK
Age: 19
Posts: 4,521
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Re: 91-94 OBS gauge cluster LED conversion. HOW-TO
Some don't have light up ac/heater controls. Its weird.. my buddies 88 lights up but my 94 doesn't.
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Dubbed FSC BOT by: WildChevys
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04-15-2009, 05:35 AM
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#92
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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
they light up green. kinda glad it did'nt show in the camera.
Im working on one now on my desk puttin the red leds in buttons.
__________________
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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04-15-2009, 01:08 PM
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#93
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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 TheMaroonBaboon
Did you use the same process as crossyson?
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Nope, just replaced stock bulbs with blue LEDs.
__________________
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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04-15-2009, 01:09 PM
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#94
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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 V6rado94
Some don't have light up ac/heater controls. Its weird.. my buddies 88 lights up but my 94 doesn't.
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They all have lights behind the buttons, they just frequently don't work. Mine in my truck have never worked, but it has three bulbs in there.
__________________
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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04-15-2009, 01:19 PM
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#95
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FSC BOT
Join Date: Jul 2008
Location: OK
Age: 19
Posts: 4,521
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Re: 91-94 OBS gauge cluster LED conversion. HOW-TO
Quote:
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Originally Posted by hornsfan10609
They all have lights behind the buttons, they just frequently don't work. Mine in my truck have never worked, but it has three bulbs in there.
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Then mine had came from the dealership not working back in 94. My father told me they never lite up when he had the truck and he had it from 1994-2006. Mine are solid button and there is no indication that they should light up.
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Dubbed FSC BOT by: WildChevys
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04-15-2009, 01:44 PM
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#96
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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
its because it has a v6
__________________
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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04-15-2009, 02:17 PM
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#97
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FSC BOT
Join Date: Jul 2008
Location: OK
Age: 19
Posts: 4,521
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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
its because it has a v6
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I have the highest trim package and no its not because its a v6.
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Dubbed FSC BOT by: WildChevys
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04-15-2009, 02:45 PM
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#98
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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
It was a joke dude.
__________________
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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04-16-2009, 10:35 AM
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#99
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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 V6rado94
Then mine had came from the dealership not working back in 94. My father told me they never lite up when he had the truck and he had it from 1994-2006. Mine are solid button and there is no indication that they should light up.
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Take it apart, they are in there.  Like I said, mine don't light up either.
__________________
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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04-30-2009, 12:21 PM
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#100
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Cut It & Nut It
Join Date: Sep 2007
Location: Fairgrove, Mi
Age: 21
Posts: 346
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Re: 91-94 OBS gauge cluster LED conversion. HOW-TO
I'll be doing the white needle mod some time very soon!
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CARDOMAIN
98 Silverado 1500 Z71 | 2" Suspension | 285 Cooper ST's on American Racing Atlas' | CAI | Wait4Me Tune | Lock-Right | Vette Servo | True Duals | Blue LED's | and More
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