Nissan/Infiniti Tech SR20DET? RB26DETT? VQ35DE? What's it all mean? Find out here!

speedometer working on and off in 240

Thread Tools
 
Old 11-29-2005, 08:08 PM
  #1 (permalink)  
Registered User
Thread Starter
 
fishyskawa's Avatar
 
Join Date: Sep 2005
Posts: 179
Likes: 0
Received 0 Likes on 0 Posts
Default speedometer working on and off in 240

well i'll be driving along and it will just kick in. then at random it will go back to 0. and then back again. wth. i cant get a speeding ticket. is it just a bad connection? if so where do i look?
Old 11-30-2005, 05:32 AM
  #2 (permalink)  
do it BIG!!
 
OniS14's Avatar
 
Join Date: Jul 2005
Posts: 1,340
Likes: 0
Received 0 Likes on 0 Posts
Default

i had this problem w/ my tachometer..i just replaced the gauge with another i found in the junkyard..
check the speed sensor on the tranny..maybe its a loose or dirty connection
__________________
S14 parts f/s

STANZZZZZZZZZZZZZZAAAAAAAAAAAHHH

Old 11-30-2005, 08:41 AM
  #3 (permalink)  
SAL-T
 
Anthony R's Avatar
 
Join Date: May 2005
Posts: 3,159
Likes: 0
Received 0 Likes on 0 Posts
Default

smacking the dash right above the gauge cluster seemed to work on mine. or u can pull out the cluster and check for shorts. oh yeah speed sensor too.
Old 11-30-2005, 09:04 AM
  #4 (permalink)  
Retired
 
Epstein's Avatar
 
Join Date: Jan 2003
Posts: 5,095
Likes: 0
Received 0 Likes on 0 Posts
Default

The connection from the wiring harness into the cluster is "cheesy" at best. The connection has gone loose or oxidized over time. Pull it out and clean the contacts on the three connectors. Everything else on the cluster works because they run on 5V or 12V signals that are sent to them. The speedo is more sensitive because it sends AND receives directly to the speed sensor, and the signal is a lot smaller.

Other people have had to fix this problem, so we should hear from them as well. I know that Paul Kersey had a similar problem. Maybe he'll chime in.
Old 11-30-2005, 09:54 AM
  #5 (permalink)  
Registered User
Thread Starter
 
fishyskawa's Avatar
 
Join Date: Sep 2005
Posts: 179
Likes: 0
Received 0 Likes on 0 Posts
Default

thanks guys. sounds like its just old. where can i locate the speed sensor in the tranny? i'll try to check my chiltons book.
Old 11-30-2005, 11:47 AM
  #6 (permalink)  
Retired
 
Epstein's Avatar
 
Join Date: Jan 2003
Posts: 5,095
Likes: 0
Received 0 Likes on 0 Posts
Default

speed sensor is a film-can (remember when cameras took film??) looking job hanging from the passenger side of the tranny, right at the back. Two wires coming from it run to a connector right where the engine and transmission meet.




All times are GMT -8. The time now is 07:33 PM.