View Full Version : RB25 speedometer problems
oceans11_gt
02-22-2010, 07:48 PM
I have got an rb25 swapped into my s14 and I am not getting any signal from the speed sensor. I have a brand new z32 speed sensor in my rb25 tranny, and have it connected to the Red and Red/Yellow wires on the s14 harness. I'm running a PowerFC and all other gauges in the cluster work rite, but nothing on the speedometer. I even switched the wires around on the speed sensor thinking it may have been a polarity thing. Any insight would be greatly appreciated. Thanks
AS240
02-23-2010, 11:41 PM
what did the speedo read out when you had the rb25 speed sensor in?
oceans11_gt
02-27-2010, 03:17 PM
It didn't read anything. All wires are connected all the way to the gauge too.
AS240
02-28-2010, 08:00 PM
if you have everything connected it should be working. maybe a dead speedo. try swapping just the speedo out with another that you know works. if that doesnt work, you have some wiring grimlinssss 0_0
GSXRJJordan
02-28-2010, 08:30 PM
Polarity is not an issue. Perform a continuity check from both wires at the cluster to the VSS and I believe you'll find a short.
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