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#1 |
Registered User
Join Date: Mar 2013
Location: Taylor tx 76574
Posts: 135
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1991 electric suburban gauges into a square ls swap
Ok guys for some reson i cant find how to post on to the ls swap portion do bare with me . Long story short i have a 82 square swaped with a 5.3 /4l60e, and i just picked up a set of 91 electical speedo burban gauges from the scrap yard (20 bucks sweet deal huh guys ).now ive read and researched high and low and cant find a solid answer how tobi hook this gauges up to make them to work. i read ablut repining but i dnt know what to repin to where. i have at least 5 inch of the suburban gauge connector? so doni repin my 82 connector to match the suburban connector any bit of info helps
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82 lwb lsx 5.3/4l60e 12 bolt rear lambo electric blue/ hummer black with house of color flake same colors on the inside with all new upholstery n 22s. " Who said longbeds cant look good " ![]() |
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#2 |
Registered User
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Location: Dayton, TX
Posts: 335
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Re: 1991 electric suburban gauges into a square ls swap
The 91 guage cluster pinout diagram is on here somewhere if you search for it. On my 86, there were only 4 or 5 wires that needed to be swapped around in the plug. A very small flat head screwdriver is all you need to remove the connectors from the plug.
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'83 Silverado Step Side '85 GMC short bed. '86 Chevy Step Side Custom Deluxe LQ9/4L80 swap (SOLD) |
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#3 |
Registered User
Join Date: Mar 2013
Location: Taylor tx 76574
Posts: 135
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Re: 1991 electric suburban gauges into a square ls swap
Thanks man ,ill look again quick question do i try to make my 82 square harness match the suburban ?
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82 lwb lsx 5.3/4l60e 12 bolt rear lambo electric blue/ hummer black with house of color flake same colors on the inside with all new upholstery n 22s. " Who said longbeds cant look good " ![]() |
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#4 |
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Join Date: Dec 2011
Location: visalia ca
Posts: 1,480
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Re: 1991 electric suburban gauges into a square ls swap
Man you lucked out on those gauges everytime I find a 91 suburban rye gauges are missing
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#5 |
Registered User
Join Date: Mar 2013
Location: Taylor tx 76574
Posts: 135
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Re: 1991 electric suburban gauges into a square ls swap
I know ive been going to the pick and pull every sunday for the past 1 and a half months to see if i could a set because everytime i went they where always gone . Plus i wanted to maintain the factory look and also didnt want to drop a crazy amount on gauges
Ill try and look for another set next time i go and try to see if anyone on here needs them.
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82 lwb lsx 5.3/4l60e 12 bolt rear lambo electric blue/ hummer black with house of color flake same colors on the inside with all new upholstery n 22s. " Who said longbeds cant look good " ![]() |
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#6 |
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Join Date: Dec 2011
Location: visalia ca
Posts: 1,480
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Re: 1991 electric suburban gauges into a square ls swap
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#7 |
Registered User
Join Date: Mar 2013
Location: Taylor tx 76574
Posts: 135
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Re: 1991 electric suburban gauges into a square ls swap
So i should use pin 50 off the green connector for the speedometer?
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82 lwb lsx 5.3/4l60e 12 bolt rear lambo electric blue/ hummer black with house of color flake same colors on the inside with all new upholstery n 22s. " Who said longbeds cant look good " ![]() |
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#8 |
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Join Date: May 2012
Location: 90045 cali
Posts: 567
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Re: 1991 electric suburban gauges into a square ls swap
Putting these gauges from my 04 donor in one of my 78 c10's
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#9 |
Registered User
Join Date: Mar 2013
Location: Taylor tx 76574
Posts: 135
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Re: 1991 electric suburban gauges into a square ls swap
Looks good from the little info that i have ita just the 89-91 burban gauges.
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82 lwb lsx 5.3/4l60e 12 bolt rear lambo electric blue/ hummer black with house of color flake same colors on the inside with all new upholstery n 22s. " Who said longbeds cant look good " ![]() |
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#10 |
Registered User
Join Date: Apr 2009
Location: Pflugerville, TX
Posts: 594
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Re: 1991 electric suburban gauges into a square ls swap
Here is some info that might help. You'll need to confirm your original pinout.
88’/87' Cluster Pinout Pin # - Function – Wire Color 1 – High Beam Indicator – Light Green 2 – 12v+ for gauge illumination (headlight switch) - Gray 3 - Volt Gauge Ground – Black 4 - Volt Gauge 12v+ - Pink/Black 5 – Oil Pressure Signal - Brown 6 – Ignition Switched 12v+ - Pink/Black 7 – Fuel Gauge Signal - Pink (no contact on cluster for this pin) 8 – ground - Black (no contact on cluster for this pin) 9 – Coolant Temp Signal – Dark Green 10 – Ground – Black 11 – Left Blinker – Light Blue 12 – Right Blinker – Blue 13 – Seat Belt Light – Yellow 14 – Empty 15 – SES Ground – Brown/White 16 – Ignition Switched 12v+ - Pink/Black 17 – Park Brake – Dark Brown/White 18 – Fuel Gauge Signal - Pink 90' Cluster Pinout 1 - High Beam Indicator - Light Green 2 - Ground - Black 3 - Oil Pressure Gauge From Sender - Brown 4 - 12 Volt + Keyed From Ignition - Pink 5 - Low Voltage Warning Lamp - Dark Brown 6 - Not Used 7 - Not Used 8 - Coolant Temperature Gauge From Sender - Dark Green 9 - 12 Volt + Controlled By Headlight Switch - Light Gray 10 - Left Turn Signal Indicator - Light Blue 11 - Right Turn Signal Indicator - Dark Blue 12 - 4x4 Indicator Lamp - Empty on my 2wd Cluster 13 - Seat Belt Warning Lamp - Yellow 14 - Fuel Gauge From Sender - Pink 15 - Park Brake/Unequal Pressure Warning Lamp - Brown/White Stripe 16 - SES (Service Engine Soon) Lamp - Dark Brown/White Stripe 17 - 12 Volt + Keyed From Ignition Switch - Pink/Black Stripe 18 - Speedometer From Sender - Light Blue/Black Stripe Repin Matrix (Pin # from 88' Cluster to new pin # on 90' Cluster) i.e. "2 -> 9" would mean to move pin from position #2 into position #9 If New Location is "Removed" the wire is no longer needed and can be taped off Wire Color / Original Location / New Location / Function (Lt Green)..........1 -> 1...............High Beam (Gray)...............2 -> 9...............12v+ from HL Switch (Black)..............3 -> 2...............Ground (Pink/Black).......4 -> 4...............12v+ Ignition Switched (Brown).............5 -> 3...............Oil Pressure (Pink/Black).......6 -> Remove......12v+ Ignition Switched (Pink)................7 -> Remove.....Fuel Signal (Duplicate pin tied to the other fuel signal pin originally installed in location 18) (Black)..............8 -> Remove.....Ground (Dark Green)......9 -> 8..............Coolant Temperature (Black).............10 -> Remove.....Ground (Light Blue).......11 -> 10.............Left Blinker (Blue)..............12 -> 11.............Right Blinker (Yellow)...........13 -> 13.............Seatbelt Warning 14 ->.......................................Empty (Brown/White)..15 -> 16.............SES Ground (Pink/Black).....16 -> 17.............12v+ Ignition Switched (Brown/White)..17 -> 15.............Park Brake (Pink)..............18 -> 14.............Fuel Gauge Signal |
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#11 |
Moderator
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Location: Wentworth, NH
Posts: 4,951
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Re: 1991 electric suburban gauges into a square ls swap
If the 1989-1991 GM schematics would help they are in my signature.
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1959 M35A2 LDT465-1D SOLD 1967 Dodge W200 B383, NP420/NP201 SOLD 1969 Dodge Polara 500 B383, A833 SOLD 1972 Ford F250 FE390, NP435/NP205 SOLD 1976 Chevy K20, 6.5L, NV4500/NP208 SOLD 1986 M1008 CUCV SOLD 2000 GMC C2500, TD6.5L, NV4500 2005 Chevy Silverado LS 2500HD 6.0L 4L80E/NP263 2009 Impala SS LS4 V8 RTFM... GM Parts Books, GM Schematics, GM service manuals, and GM training materials...
And please let us know if and how your repairs were successful. |
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#12 |
Registered User
Join Date: Mar 2013
Location: Taylor tx 76574
Posts: 135
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Re: 1991 electric suburban gauges into a square ls swap
Thanks foamy i see your in Pflugerville im in taylor man
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82 lwb lsx 5.3/4l60e 12 bolt rear lambo electric blue/ hummer black with house of color flake same colors on the inside with all new upholstery n 22s. " Who said longbeds cant look good " ![]() |
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#13 |
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Join Date: Apr 2009
Location: Pflugerville, TX
Posts: 594
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Re: 1991 electric suburban gauges into a square ls swap
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#14 |
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Join Date: Sep 2014
Location: dutchess county NY
Posts: 60
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Re: 1991 electric suburban gauges into a square ls swap
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#15 |
Registered User
Join Date: Mar 2013
Location: Taylor tx 76574
Posts: 135
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Re: 1991 electric suburban gauges into a square ls swap
One question foamy will the 88 cluater match my 82 ? To repin it according to the matrix
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82 lwb lsx 5.3/4l60e 12 bolt rear lambo electric blue/ hummer black with house of color flake same colors on the inside with all new upholstery n 22s. " Who said longbeds cant look good " ![]() |
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#16 |
Registered User
Join Date: Apr 2009
Location: Pflugerville, TX
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Re: 1991 electric suburban gauges into a square ls swap
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#17 |
Registered User
Join Date: Mar 2013
Location: Taylor tx 76574
Posts: 135
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Re: 1991 electric suburban gauges into a square ls swap
Will do foamy. thanks guys i thought i was just going to have tp use a gps for the speedometer lol
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82 lwb lsx 5.3/4l60e 12 bolt rear lambo electric blue/ hummer black with house of color flake same colors on the inside with all new upholstery n 22s. " Who said longbeds cant look good " ![]() |
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#18 |
Registered User
Join Date: Mar 2013
Location: Taylor tx 76574
Posts: 135
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Re: 1991 electric suburban gauges into a square ls swap
Finally had time to repin my gauges i got the fuel and volta to work (waiting on parts for temp.and idk what to do for oil pressure yet ) but question to the guys that helped me out i see that slot 18 is now empty do i run the pcm(pin 50) wure straight to that spot for the speedo or do i have to splice into somewhere else ?
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82 lwb lsx 5.3/4l60e 12 bolt rear lambo electric blue/ hummer black with house of color flake same colors on the inside with all new upholstery n 22s. " Who said longbeds cant look good " ![]() |
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#19 | |
Moderator
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Location: Wentworth, NH
Posts: 4,951
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Re: 1991 electric suburban gauges into a square ls swap
Quote:
The "LS" PCM terminal 50 is a conditioned 4,000 (4K) pulses per mile DC square wave... http://lt1swap.com/2000harness.htm The 1990 & 1991 wiring diagrams show a DRAC for the speedometer and cruise control. The T400 CK series DRAC outputs conditioned 4,000 (4K) pulses per mile DC square wave. I doubt GM made a special DRAC for the 1990 & 1991 R & V series light trucks.
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1959 M35A2 LDT465-1D SOLD 1967 Dodge W200 B383, NP420/NP201 SOLD 1969 Dodge Polara 500 B383, A833 SOLD 1972 Ford F250 FE390, NP435/NP205 SOLD 1976 Chevy K20, 6.5L, NV4500/NP208 SOLD 1986 M1008 CUCV SOLD 2000 GMC C2500, TD6.5L, NV4500 2005 Chevy Silverado LS 2500HD 6.0L 4L80E/NP263 2009 Impala SS LS4 V8 RTFM... GM Parts Books, GM Schematics, GM service manuals, and GM training materials...
And please let us know if and how your repairs were successful. |
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#20 |
Registered User
Join Date: Mar 2013
Location: Taylor tx 76574
Posts: 135
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Re: 1991 electric suburban gauges into a square ls swap
So it worked so stoked just ran the pin from the pcm (pin50) straight to my c10 gauge harness number 18 with a soldered and heat shrunk leftover groud and boom i now have a speedo also the gauge cluater i got from the pick and pull had a sunpro tach and i made that work to0o the gmc gods are shinning upon me
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82 lwb lsx 5.3/4l60e 12 bolt rear lambo electric blue/ hummer black with house of color flake same colors on the inside with all new upholstery n 22s. " Who said longbeds cant look good " ![]() |
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#21 | |
Registered User
Join Date: Apr 2009
Location: Pflugerville, TX
Posts: 594
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Re: 1991 electric suburban gauges into a square ls swap
Quote:
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#22 |
Registered User
Join Date: Sep 2014
Location: dutchess county NY
Posts: 60
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Re: 1991 electric suburban gauges into a square ls swap
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#23 |
Registered User
Join Date: Mar 2013
Location: Taylor tx 76574
Posts: 135
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Re: 1991 electric suburban gauges into a square ls swap
Would you know what size bit and tap ot is ?
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82 lwb lsx 5.3/4l60e 12 bolt rear lambo electric blue/ hummer black with house of color flake same colors on the inside with all new upholstery n 22s. " Who said longbeds cant look good " ![]() |
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#24 |
Registered User
Join Date: Sep 2014
Location: dutchess county NY
Posts: 60
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Re: 1991 electric suburban gauges into a square ls swap
I think I drilled and tapped it for 1/4npt. Then used a bushing to get to 1/8npt. It's been a couple years since I did that.
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#25 |
Registered User
Join Date: Mar 2013
Location: Taylor tx 76574
Posts: 135
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Re: 1991 electric suburban gauges into a square ls swap
Ill try that thanks for the help man
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82 lwb lsx 5.3/4l60e 12 bolt rear lambo electric blue/ hummer black with house of color flake same colors on the inside with all new upholstery n 22s. " Who said longbeds cant look good " ![]() |
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