4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

Speedo Going crazy..Help!

Thread Tools
 
Search this Thread
 
Old 09-27-2009, 12:23 AM
  #1  
ScorpiuS
2nd Gear Member
Thread Starter
 
ScorpiuS's Avatar
 
Join Date: Apr 2006
Location: Oklahoma
Posts: 187
Default Speedo Going crazy..Help!

Hey guys just checking about an issue I'm having sporadically. I'm still running on a bad TOB but I don't really drive my car that much but here lately every couple weeks my Speedo will just start jumping like crazy. Sometime even when I start my car all my gauges wind all the way to the right but then go back to normal. But when I have the problems its just my Speedometer, my rmp gauge all my other gauges work all the time. But here randomly my speedo will just be buried at 0 while I'm going 55 and every other second it jumps up to 55 and back and forth, coincidentally my radio volume/quality drops significantly as the gauge drops. So it's very weird. It seams electrical but something worries me that the tranny could be doing something or the TOB to my speed sensor. I searched and found basically nothing on similar post. Thank in advance
ScorpiuS is offline  
Old 09-27-2009, 08:59 AM
  #2  
Sxynerd
6th Gear Member
 
Sxynerd's Avatar
 
Join Date: Feb 2006
Location: Virginia
Posts: 11,786
Default

Tighten or change your Speed sensor on the side of your transmission. Your radio may have speed controlled volume (Louder at hwy speeds & lower at idle speeds. It's there to combat car/road noise)
Sxynerd is offline  
Old 09-27-2009, 10:37 AM
  #3  
0949er
4th Gear Member
 
0949er's Avatar
 
Join Date: Mar 2009
Location: NC
Posts: 1,909
Default

is it just your speed gauge or do all gauges do it?
0949er is offline  
Old 09-27-2009, 12:14 PM
  #4  
masterofthepuppets99
2nd Gear Member
 
masterofthepuppets99's Avatar
 
Join Date: Feb 2009
Location: Portland, Oregon
Posts: 324
Default

when the gauges sweep back and forth doesnt that mean low battery power?
masterofthepuppets99 is offline  
Old 09-27-2009, 12:59 PM
  #5  
Sxynerd
6th Gear Member
 
Sxynerd's Avatar
 
Join Date: Feb 2006
Location: Virginia
Posts: 11,786
Default

If it's just his speedo and radio, no.
Sxynerd is offline  
Old 09-28-2009, 12:21 PM
  #6  
ScorpiuS
2nd Gear Member
Thread Starter
 
ScorpiuS's Avatar
 
Join Date: Apr 2006
Location: Oklahoma
Posts: 187
Default

Ya it is just the Speedo and Radio for some reason that are affected while driving. But when I first start the car ALL the gauges go all the way to the right but stay normal while driving. Also u were mentioning battery power i did notice before that alot of green acid on my post I cleaned that all up w/ baking soda and water and it was back in like 2 weeks. Just another note.
ScorpiuS is offline  
Old 09-28-2009, 01:41 PM
  #7  
Sxynerd
6th Gear Member
 
Sxynerd's Avatar
 
Join Date: Feb 2006
Location: Virginia
Posts: 11,786
Default

Reach your hand under your car and more around your speed sensor and make sure it's tight. That's your problem.
Sxynerd is offline  
Old 10-04-2009, 11:12 AM
  #8  
ScorpiuS
2nd Gear Member
Thread Starter
 
ScorpiuS's Avatar
 
Join Date: Apr 2006
Location: Oklahoma
Posts: 187
Default

Ok guys sorry, got under the car the speed sensor seams fine, not loose I kinda moved it a bit but didn't seam loose at all, does this probably just mean I have a faulty speed sensor it almost seams like its shorting out or something. I just dont wanna change it out and still there being a problem.
ScorpiuS is offline  
Old 10-04-2009, 11:37 AM
  #9  
Sxynerd
6th Gear Member
 
Sxynerd's Avatar
 
Join Date: Feb 2006
Location: Virginia
Posts: 11,786
Default

Fix the cheapest things first... That's the cheapest thing.
Sxynerd is offline  
Old 08-14-2012, 12:53 PM
  #10  
sickstang02
 
sickstang02's Avatar
 
Join Date: Aug 2012
Location: California
Posts: 5
Default someone help me out plz all my gauges go crazy and my radio cuts off. help

i have a 2002 mustang gt i recently just bought a new battery for it but when i start driving off my gauges and dash lights start flickering on and off and my radio starts to cut off as well. but the car still drives good anyone know what this might be? i will greatly appreciate it thanks!
sickstang02 is offline  
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
67LimeCoupe
5.0L General Discussion
45
11-25-2015 08:55 PM
Mr. D
Tuner Central
6
08-27-2015 05:01 AM
Mr. D
Wheels & Tires
15
08-22-2015 02:58 PM
Gregz
New Member Area
6
08-11-2015 03:42 AM
qwikhuh
5.0L (1979-1995) Mustang
2
12-01-2003 04:26 PM



Quick Reply: Speedo Going crazy..Help!



All times are GMT -5. The time now is 11:15 AM.