News — Cluster

Link to Cluster Wiring Diagram To power on and show 0RPM/0MPH, the 1984-1989 Cluster needs the following: Two grounds (D1) and (D3) The way to test a ground is to power it on and measure DC voltage.  Put the negative probe on the battery negative terminal.  Put the positive probe on the terminal you're testing (D1).  Plug in the cluster.  Turn on the key.  You should measure 0.00V.  If it's higher than 0.5V, the ground is bad.  Do the same thing for pin D3.  One Full Time Hot pin (D3)    The way to test a power is to measure...

Several years have passed since we created the Digital Cluster repair videos. Parts availability has changed, and experience has changed a few of our recommendations. We rerecorded these videos in 4K, with studio lighting and professional audio. You can find them online here: All - 84-89 Playlist 2020  #1 - Disassembly   #2 - Lighting Repair   #3 - Faded LCD Repair  #4 - Power Supply Replacement   #5 - Reassembly   #6 - Testing the repairs   #7 - Installing LEDs   #8 - 86-89 C68 HVAC Controller Repair  #9 - 86-89 C68 HVAC Programmer Repair   #10 - Digital Information Center Bulb Replacement