Need help asap, speedo not working

[ItzEnsign]

Speedo not working, hard shifts over drive flashing. Checked all fuses twice cus last time this happened it was a fuse. I replaced the vss/abs sensor on rear axle(relocated to back of tranny due to 9") only code engine is putting out is the speed sensor... I've had the abs light on for ages, no problems, I removed the wires that went to tires and never had a problem, i put new motor mounts on and built a aluminum dash so I pulled out the instrument cluster and took the face off to clean it. Now it's not working? Any suggestions, I hear about this 4wabs but I can't see how that would be a problem

[philofab]

Did you unplug the 4WABS unit from above the steering box?

[ItzEnsign]

Did you unplug the 4WABS unit from above the steering box?

No I did not

[ItzEnsign]

I pulled the first plug closest to wheel on both sides

[philofab]

Either a fuse is blown or the cluster isn't plugged in.

Signal goes from rear end VSS > 4WABS controller > PSOM (Speedometer) > ECM

[ItzEnsign]

I checked all fuses, I know 8 and 18 were the main ones for speedo, could my speedo of broke or something when I pulled it out?

[philofab]

It's unlikely. Is your odometer lighting up?

[ItzEnsign]

Yes sir

[philofab]

Check all of your fuses, not just 8 & 18. Verify that the 4WABS is plugged in. Verify with a volt meter that your relocated VSS is putting out a signal using the AC function. Try reversing polarity on the VSS wires anywhere you may have spliced them.

[ItzEnsign]

All fuses good, 4wabs plugged in(took out and put back in to be sure), volt meter says there getting power to the vss, I never spliced it, just took out of pumpkin and it reached to back of tranny

[RyanDS650X]

Have you done a resiatance check on the VSS itself? I had a brand spankin new out of the box plastic unit ohm out to 0 allthe way thought the sweep.

[funinthesun95]

Speedo not working, hard shifts over drive flashing. Checked all fuses twice cus last time this happened it was a fuse. I replaced the vss/abs sensor on rear axle(relocated to back of tranny due to 9") only code engine is putting out is the speed sensor... I've had the abs light on for ages, no problems, I removed the wires that went to tires and never had a problem, i put new motor mounts on and built a aluminum dash so I pulled out the instrument cluster and took the face off to clean it. Now it's not working? Any suggestions, I hear about this 4wabs but I can't see how that would be a problem

what unit are you running on the back of tranny? and did you intatll new VSS sensor or just use old unit from rearend?

[ItzEnsign]

Got it fixed. Speedo on instrument cluster took a shit, tried recalibration it and nothing, used a buddies and made the trip! Thanks all for the help