Is this possible?? please help!!!

supraluver4life · 11-14-2009, 05:09 AM

thank you... would you mind running me through the exact steps because im not exactly sure what youre talking about

. and if its possible pics would be nice but if its not thats fine

cre · 11-16-2009, 04:51 AM

I really don't know how to make it any simpler... take out the cluster and look at the green plastic circuit on the back. There are copper traces laminated into it which weave their way through the circuit.... pick one to start with and follow it until it comes to it's end. While you follow each one look for cuts, deep scratches or burn marks or blistered spots. If all's well there then look at the sockets where the harness plugs plug in. The copper traces are exposed there where the pins of the harness plugs meet them. Look for any that are torn or peeling away from the plastic backing.

If all that fails, you can always pull the gauges and swap them into the other cluster. The only thing that the old cluster housing's (into which you'll be swapping the newer gauges) circuit won't have a connector for is the cruise control LED in the gauge face of the '91 tach. (Actually, there's a spot for it, but there are a couple pieces missing and the '87 wire harness doesn't support it either, so don't even worry about it. Just know that it's not going to work... just the LED that is.)

supraluver4life · 11-17-2009, 04:06 AM

so i looked at all the wiring and its in incredible condition, in fact it looks brand new. so i dont know what it could be and im really frusterated with it. also i pulled out the other clust and all the laminate circuitry is destroyed around the boost gauge so swapimg out the gauges is outta the question

cre · 11-17-2009, 08:33 AM

Okay, a couple questions....

Did the old cluster function properly? If so then I fail to see why swapping the gauges won't work... sure, finding the cause of the burnt laminate is still a definite to-do.

Why are you swapping the clusters anyway? just for asthetics?

Can you post some pics of the back of the old cluster, especially the burnt areas? Pull the boost gauge control module and take photos of the circuit under it too.

You've got a short somewhere and it's probably not in the gauge. Were ALL of the gauges in the old cluster functional? Are they all still functional when you plug it back in?

supraluver4life · 02-24-2010, 07:28 PM

ok so you said something about changing out the transistors in a ge tach to make it work like a gte. so i canged the cluster again cuz i wanted a volt meter in the cluster instead of a boost gauge (just got a set of delphi gauges

) and the tach doesnt really work so can you run me through how to make it work?

cre · 02-25-2010, 07:17 AM

Just changing resistors... How about a pic?

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supraluver4life · 02-25-2010, 09:02 PM

thank you. when i rev the engine the gauge doesnt really move. but when i turn on the lighhter plug and heater while rolling ddown the windows, the gauge works, is this because of the resistors?

11-14-2009, 05:09 AM	#1
supraluver4life 3" Exhaust Join Date: Nov 2009 Location: Santa Fe, NM Posts: 135	thank you... would you mind running me through the exact steps because im not exactly sure what youre talking about . and if its possible pics would be nice but if its not thats fine __________________ Cusco front, Tein Rear coilovers Massive DDP, 3'' custom catless exhaust, Tsudo muffler 4.5'' outlet, Apexi cold air intake, Act stage 3 clutch, ct26 turbo (stock)- 10psi +300rwhp "Not driving a car because its too nice, is like not fucking your gf so shes still tight for the next guy"

11-17-2009, 04:06 AM	#3
supraluver4life 3" Exhaust Join Date: Nov 2009 Location: Santa Fe, NM Posts: 135	so i looked at all the wiring and its in incredible condition, in fact it looks brand new. so i dont know what it could be and im really frusterated with it. also i pulled out the other clust and all the laminate circuitry is destroyed around the boost gauge so swapimg out the gauges is outta the question __________________ Cusco front, Tein Rear coilovers Massive DDP, 3'' custom catless exhaust, Tsudo muffler 4.5'' outlet, Apexi cold air intake, Act stage 3 clutch, ct26 turbo (stock)- 10psi +300rwhp "Not driving a car because its too nice, is like not fucking your gf so shes still tight for the next guy"

02-24-2010, 07:28 PM	#5
supraluver4life 3" Exhaust Join Date: Nov 2009 Location: Santa Fe, NM Posts: 135	ok so you said something about changing out the transistors in a ge tach to make it work like a gte. so i canged the cluster again cuz i wanted a volt meter in the cluster instead of a boost gauge (just got a set of delphi gauges ) and the tach doesnt really work so can you run me through how to make it work? __________________ Cusco front, Tein Rear coilovers Massive DDP, 3'' custom catless exhaust, Tsudo muffler 4.5'' outlet, Apexi cold air intake, Act stage 3 clutch, ct26 turbo (stock)- 10psi +300rwhp "Not driving a car because its too nice, is like not fucking your gf so shes still tight for the next guy"

02-25-2010, 09:02 PM	#7
supraluver4life 3" Exhaust Join Date: Nov 2009 Location: Santa Fe, NM Posts: 135	thank you. when i rev the engine the gauge doesnt really move. but when i turn on the lighhter plug and heater while rolling ddown the windows, the gauge works, is this because of the resistors? __________________ Cusco front, Tein Rear coilovers Massive DDP, 3'' custom catless exhaust, Tsudo muffler 4.5'' outlet, Apexi cold air intake, Act stage 3 clutch, ct26 turbo (stock)- 10psi +300rwhp "Not driving a car because its too nice, is like not fucking your gf so shes still tight for the next guy" Last edited by supraluver4life; 02-25-2010 at 10:05 PM.

11-16-2009, 04:51 AM	#2
cre Toyota Racing Development Join Date: Apr 2007 Posts: 5,038	I really don't know how to make it any simpler... take out the cluster and look at the green plastic circuit on the back. There are copper traces laminated into it which weave their way through the circuit.... pick one to start with and follow it until it comes to it's end. While you follow each one look for cuts, deep scratches or burn marks or blistered spots. If all's well there then look at the sockets where the harness plugs plug in. The copper traces are exposed there where the pins of the harness plugs meet them. Look for any that are torn or peeling away from the plastic backing. If all that fails, you can always pull the gauges and swap them into the other cluster. The only thing that the old cluster housing's (into which you'll be swapping the newer gauges) circuit won't have a connector for is the cruise control LED in the gauge face of the '91 tach. (Actually, there's a spot for it, but there are a couple pieces missing and the '87 wire harness doesn't support it either, so don't even worry about it. Just know that it's not going to work... just the LED that is.)

11-17-2009, 08:33 AM	#4
cre Toyota Racing Development Join Date: Apr 2007 Posts: 5,038	Okay, a couple questions.... Did the old cluster function properly? If so then I fail to see why swapping the gauges won't work... sure, finding the cause of the burnt laminate is still a definite to-do. Why are you swapping the clusters anyway? just for asthetics? Can you post some pics of the back of the old cluster, especially the burnt areas? Pull the boost gauge control module and take photos of the circuit under it too. You've got a short somewhere and it's probably not in the gauge. Were ALL of the gauges in the old cluster functional? Are they all still functional when you plug it back in?

02-25-2010, 07:17 AM	#6
cre Toyota Racing Development Join Date: Apr 2007 Posts: 5,038	Just changing resistors... How about a pic?