speedo not working--not vss
#1
speedo not working--not vss
First off, you guys are great. I am getting all the small problem's fixed on this thing. THe speedo does not work. I searched the old forums and then replaced the VSS and checked the speedo gear (looks good). I have power to the sensor, but I don't know what color wire it is at the dash plug. Where is the dash grounded, I will check it also. After I bought this truck, I realized someone installed a dash out of a gasser, will this effect the speedo? Thanks for the leads. BTW it's a early 93 with an auto.
Jeremy
Jeremy
#2
Adminstrator-ess
Speedo works the same on a gasser. It's driven directly off the VSS, the PCM is not involved except to power the VSS. If the trans shifts into OD then the VSS is OK.
Pull the speedo, you will see 3 pins that it plugged into. From top to bottom they are ground, B+, and signal. Check for power across the B+ and ground, and check for continuity between the VSS plug (orange/white wire) and the signal pin.
Pull the speedo, you will see 3 pins that it plugged into. From top to bottom they are ground, B+, and signal. Check for power across the B+ and ground, and check for continuity between the VSS plug (orange/white wire) and the signal pin.
#4
Adminstrator-ess
You should pull the speedo out of the cluster to check, that way you are checking the circuit board in the cluster as well.
Pull the cluster bezel (the main trim piece), then the cluster mask and lens (the cover over the cluster). Then you will see the screws that hold the speedo in. Remove the screws and pull the speedo out.
Pull the cluster bezel (the main trim piece), then the cluster mask and lens (the cover over the cluster). Then you will see the screws that hold the speedo in. Remove the screws and pull the speedo out.
#5
everything checks out on the power end but still no speedo. I had found a tech article on repairing a speedo on this sight in the past but I can't find it now. Anybody have a link or other idea?
\Jeremy
\Jeremy
Thread
Thread Starter
Forum
Replies
Last Post
Sleigher
12 Valve Engine and Drivetrain
11
05-04-2017 02:12 PM
jesussaves
1st Gen. Ram - All Topics
10
07-18-2009 05:45 PM
southpawslingr1
3rd Generation Ram - Non Drivetrain - All Years
6
07-28-2008 07:53 PM