Looking for wiring diagrams for 1990 GMC Suburban 350cu inch carburated. This particular model was manufactured in Mexico. Mitchell OnDemand does not have the diagrams in their database. Appreciate any help on this.
Need wiring diagrams for 1990 GMC Suburban
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I suspect the vehicle is a carry-over from circa 1986 or possibly 1987. You may find something very close to, if not exactly, what you have in front of you.
Things such as C or K for the fith digit, or possibly R or V as those were the designations for the old body style and the new body style in those years.
Also of importance is the weight design of the vehicle, Is it a 1500, 2500 or 3500 series??
A full VIN might shine some light on things for us to make an attempt to steer you in a direction that may help.
C & R were 2-wheel drive and the K & V were the 4x4's. -
VIN for GMC...
The particulars for the Suburban:
VIN- 3GCEC26L6LM134488
2WD
Weight 2500
Hey brother thanks a million for the quick response.
Hotsauce19
SA, TXComment
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wiring diagrams...
Hello back! Going to need everything i.e. component location, electrical and performance schematics.Comment
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According to the VIN, it was produced in Mexico, is a 2-wheel drive with an "L" engine.
From what I can remember they stopped producing carbureted vehicles in 1986 or 1987.
Take a look in Mitchell and see what they do show for an earlier build.
Take note as well, is the carburetor a CCC system-?? If it has a TPS and an Oxygen sensor it is a Computer-Controlled-Carb.
Trying to gather ALL the information would be a daunting task for us but if anyone can Hefaus is the man-!!Comment
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this is all my OnDemand5 shows R2500 and V2500 showing sameAttached FilesComment
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wiring diagram...
hefaus,
Apologies for the delay as we are shifting in and out other repair jobs. As it seems we desperately need diagram for fuel system including and up to the instrumentation cluster. Thanks again for your attention.
I have been instructed to include my phone number for any replies.
Regards,
Frank
210-355-3942Comment
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Fuel Quantity Sending Wiring Diagram For 1990 Gmc Suburban Manuf In Mexico
This A Vin L Vehicle 2500 Series With A Quadro Jet Carburated (no Tps). It Has A Mechanical Fuel Pump-only Component In Fuel Tank Is Fuel Qty Sender. We've Replaced Fuel Sender (in Tank) And Fuel Guage And Indicator Still Indicates "empty". We Need Wiring Diagram. Vin #3gcec26l6lm134488Comment
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