| Author | Message | ||
     jerry d quintana (Exjeeper) New Member Username: Exjeeper Post Number: 8 Registered: 02-2003 |
Last night the RPM guage in my 1995 discovery was woking fine. Than on the way back home stoped working. It wnet back on a few times but than stoped all together. Anyone know what might be wrong? We just got a bunch of snow so I am hoping that has something to do with it. | ||
| Paul T. Schram (Paulschram) Senior Member Username: Paulschram Post Number: 1021 Registered: 02-2002 |
Alternator is failing. | ||
| Mike J. (Mudd) Member Username: Mudd Post Number: 64 Registered: 02-2002 |
I had it happen on my 95 and I think it was the (speed sonsor)? my speedo stopped too but both were intermitent for a while. I wiggled and applied dielectric grease to the fitting that attaches to the center diff (i think) and no problems since. sorry for the lack of clarity. but it definatly worked and have no problems since. If it were the alternator the lights would be dimming and ... you'd probly fail to start. | ||
| jerry d quintana (Exjeeper) New Member Username: Exjeeper Post Number: 9 Registered: 02-2003 |
thanks ill try the plugs first and also get the alternator checked | ||
| Paul T. Schram (Paulschram) Senior Member Username: Paulschram Post Number: 1022 Registered: 02-2002 |
The tachometer derives its signal from the alternator. Don't waste your time beneath the vehicle, the vehicle speed sensor has no connection whatsoever to the tachometer. If you are lucky, you may just have a loose wire, but it is most likely that you have a failing alternator. Stop now, before you end up with illuminated dash lights requiring a trip to the dealer for reset. These vehicles are not tolerant of low voltage. Paul | ||
| Blake Monchilovich (Azblake) New Member Username: Azblake Post Number: 7 Registered: 02-2003 |
Alternator. Ask me how I know. | ||
| Paul T. Schram (Paulschram) Senior Member Username: Paulschram Post Number: 1026 Registered: 02-2002 |
Me too! | ||
| Sandy Grice (Apg) New Member Username: Apg Post Number: 4 Registered: 02-2003 |
Paul wrote: >These vehicles are not tolerant of low voltage. Indeed. At 9.3 volts, most things still work. At 9.2 volts, *nothing* does.... ('cept the cell phone, fortunately....) Ask me how I know.... Cheers | ||
| Paul T. Schram (Paulschram) Senior Member Username: Paulschram Post Number: 1030 Registered: 02-2002 |
If the vehicles suffers a voltage drop to lower than 10.7 during cranking for more than four seconds, you run the risk of permanently damaging the ABS ECU. You can also induce fatal faults into the Supplemental Restraint System. My ABS ECU is completely uncommunicative to the Testbook, Autologic, or Rovacom. The Air bag light can be successfully queried and reset by Autologic, but curiously,not by the Testbook. Resetting is also not permanent and returning to the computer finds no readable faults. Good thing I don't intend to crash, it might hurt without ABS and Air bags! With these sorts of problems, who needs an air bag rated bumper? Paul | ||
| Jerry (Discovery1) New Member Username: Discovery1 Post Number: 19 Registered: 10-2002 |
It's the alternator for sure as the same thing happened to me. If your lucky, you will replace it before it completely fails as I had a hard time finding another alternator as your local parts store probably doesn't stock it. Also, if you start to experience slow cranking after you replace your alternator check your battery too! | ||
| jerry d quintana (Exjeeper) New Member Username: Exjeeper Post Number: 13 Registered: 02-2003 |
hay thanks guys I called my local repair shop and he also said that unless the wires are loose bad alternator. Now to find an affordable one. There are two electrical repair shops here in my town that told me 60 dollars plus any parts anyone ever had one rebuilt before? I am thinking that ths is the way to go rebuilt but i can go to the guy who did it if I have any problems. | ||
| Erik Olson (Jon) Senior Member Username: Jon Post Number: 313 Registered: 02-2002 |
Does the tach always take a dive before the alternator goes? My tach went down this afternoon, and less than twenty miles later I was on a towtruck. e | ||
| Land Rover Certified Used A**hole (Jason) Senior Member Username: Jason Post Number: 303 Registered: 04-2002 |
Nope. Your alternator was already gone. Your engine was running straight off the battery, no recharging 'cuz the alt quit working. The tach took a dive as the voltage dipped too low, then the engine quit working when the battery could no longer provide enough voltage for the ignition system. | ||
| Erik Olson (Jon) Senior Member Username: Jon Post Number: 316 Registered: 02-2002 |
So, have I been driving for days on the Optima? The truck still starts - what chance is there that I've done permanent damage to the yellowtop? e | ||
| Land Rover Certified Used A**hole (Jason) Senior Member Username: Jason Post Number: 304 Registered: 04-2002 |
If you can still turn it over, then you likely didn't damage the battery. My guess is if you started the engine (considering you haven't replaced the alt yet), you'd probably be able to run it for a couple of minutes before it dies again. Just stick the battery on a charger in the meantime. | ||
| Bryan Crosby (Bcroz) Member Username: Bcroz Post Number: 44 Registered: 03-2002 |
I just went through the same thing on my 95. IT IS the alternator. Only problem was, the mechanic went through 3 replacemnts before he got a good one. Do yourself a favor, find a local shop to rebuild your existing unit. The rebuilts on the market (mine is Bosch, which I'm sure is German for Lucas) have poor quality control to say the least. | ||
| Jason (Disco94jason) New Member Username: Disco94jason Post Number: 2 Registered: 02-2003 |
The small wire (maybe 16 gauge) plugs into the back of the alternator.. check to see if you need a new female plug (like a stereo speaker terminal plug) My RPM did the samething after washing down the engine compartment. Hope that helps. | ||
| jerry d quintana (Exjeeper) New Member Username: Exjeeper Post Number: 18 Registered: 02-2003 |
It was the alternator. Paid 100 to have it rebuilt and no problems now. Before I knew it was bad every once and a while the vehicle would stutter like it wasnt getting fuel before it warmen up. Dont have that problem anymore. Thanks everyone for the help. |
