location of voltage regulator on 87 chrysler newyorker?

Reply

  #1  
Old 10-20-03, 08:30 AM
him3951
Visiting Guest
Posts: n/a
location of voltage regulator on 87 chrysler newyorker?

Can't seem to find the external voltage regulator on a 1987 chrysler newyorker anywhere? Does anyone know where the heck it's located?
 
Sponsored Links
  #2  
Old 10-20-03, 09:15 AM
Joe_F
Visiting Guest
Posts: n/a
Doesn't have one externally. Computer controlled charging in many cases on Chrysler. Some Chrysler alternators don't even have serviceable parts from the OEM.

Usually discharging means alternator replacement, but what is the actual problem?
 
  #3  
Old 10-20-03, 09:18 AM
him3951
Visiting Guest
Posts: n/a
Overcharging

alt gauge shows max and appears to be overcharging and burning out battery.
 
  #4  
Old 10-20-03, 09:21 AM
Joe_F
Visiting Guest
Posts: n/a
Check it with a DVOM, the dash gauge is mostly useless and inaccurate.

Has the alternator been checked for fault on the bench?
 
  #5  
Old 10-20-03, 04:49 PM
Desi501's Avatar
Member
Join Date: Oct 2003
Location: Boynton Beach Florida
Posts: 2,207
If it's a fuel injected engine, the regulator is in the ECM or power module as they call it. I have installed an external (ford, I believe) regulator on some of them in the past when the ECM had failed. I had the schematic written down but I don't think I have it any more.
 
  #6  
Old 10-20-03, 08:29 PM
mike from nj
Visiting Guest
Posts: n/a
the engine is most likely a 3.0L, is it?

the regulator is most likely inside the computer. i've often thought about using an external one if mine ever went bad(like the kind off an old dodge truck)it's good to hear that someone else has already done this, with success.

you need to put a voltmeter on the battery while it's running, anything higher than 14.5 volts is causing damage to stuff and you should stop driving immediately. the dash gauge isn't accurate to the 'volt' but it is usually a good indicator of what's going on under the hood. if it's pegged, there could be a problem.

regulators 99% of the time fail 'dead', not 'full charge' if it is indeed a 3.0L, pull the wiring harness away from the exhaust crossover pipe, as a field wire could easily be grounded and causing this problem, the wire runs from the back of the alt. along the back of the intake manifold, right to the battery area. if moving the harness makes the system voltage come back down to 14 volts, you've found the grounded wire.


let us know
 
  #7  
Old 10-20-03, 08:47 PM
Member
Join Date: Dec 2001
Posts: 2,538
the old dodge external regulators are easy to hook up to bypass the pcm but in most cases will cause the power loss light or check engine light to come on setting a code for the alternater field circuit other than that they charge fine.
 
  #8  
Old 10-20-03, 09:17 PM
mike from nj
Visiting Guest
Posts: n/a
that's music to my ears BJ, i can live with a light on vs. a new pcm
 
Reply

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Thread Tools
Search this Thread
Display Modes