The message to which you are about to reply is shown first. GO TO REPLY FORM



 VIEW    REPLY TO THIS MESSAGE    PRINT   SAVE 

Not Charging- Alternator or Regulator? 140-160 1973

uid 4846's pic
posted by  JohnMc on  Sat Apr 13 04:41 CST 2002
Author: [PROFILE] [EVERY POST] [THREADS] [BEST POSTS] RSS Feed     [IGNORE ALL POSTS]
last visit: Thu Oct 23 07:42 CST 2014
[RELATED]

Find the field wire - the smaller wire going to the alternator. The regulator controls the alternator through this wire - it incerases the current flow to this wire to make the alternator charge more. Hook a multimeter up so you can check the output (like across the battery terminals) then jump current to this wire momentarily. Just for a few seconds - its probably a little hard on the alternator to go full throttle like that. Check the multimeter to see if voltage goes up when you do. If it does it means the regulator isn't properly signaling the alternator to charge (wiring or regulator bad). If this doesn't produce any rise in voltage (or very little) it means the alternator isn't working.






USERNAME
Use "claim to be" below if you don't want to log in.
PASSWORD
I don't have an account. Sign me up.
CLAIM TO BE
Use only if you don't want to login (post anonymously).
ENTER CAPTCHA CODE
This is required for posting anonymously.
OPTIONS notify by email
Available only to user accounts.
SUBJECT
MODEL/YEAR
MESSAGE

DICTIONARY
LABEL(S) +
IMAGE URL *
[IMAGE LIBRARY (UPLOAD/SELECT)]

* = Field is optional.

+ = Enter space delimited labels for this post. An example entry: 240 muffler


©Jarrod Stenberg 1997-2022. All material except where indicated.


All participants agree to these terms.

Brickboard.com is not affiliated with nor sponsored by AB Volvo, Volvo Car Corporation, Volvo Cars of North America, Inc. or Ford Motor Company. Brickboard.com is a Volvo owner/enthusiast site, similar to a club, and does not intend to pose as an official Volvo site. The official Volvo site can be found here.