The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - 90-91 suburban cluster swap issue

wildwilly4x4 · 05-20-2021, 07:29 PM

Which PCM are you using?

Green/ Blue connectors show pin 50 on the green connector for electronic speedo (green/ white trace)

Red/Blue connectors pin 50 on the red connector is what should go to the speedo.

05-20-2021, 07:29 PM	#3
wildwilly4x4 Registered User Join Date: Aug 2009 Location: Sunray,TX Posts: 251	Re: 90-91 suburban cluster swap issue Which PCM are you using? Green/ Blue connectors show pin 50 on the green connector for electronic speedo (green/ white trace) Red/Blue connectors pin 50 on the red connector is what should go to the speedo.