Re: [DML] Failing alternator?

[Warren Wallingford <warren@xxxxxxxxxx>]

Motorolas don't go bad very often.  Here's the ritual to perform before 
condemning it.
1) Change fuse #5.  It is the 12v feed for the instrument cluster.  Any 
resistance at the fuse results in a lower reading.
2) Check the battery connections, especially the ground.
3) Check the battery ground at the other end, on the RH trailing arm 
bushing.
4) Check the other grounds.  The one at the LF of the car, the one at 
the RH engine mount, and the one that goes thru the rear bulkhead behind 
the coil cover.
5) Re-confirm a low reading with a multimeter at the B+ post of the 
alternator with the engine running. Use the engine as your ground. Good 
alternators will deliver 14V just off idle.
We have rebuilt Motorolas, part #110101R, $295 exchange.  These have the 
correct HD regulator and are warrantied for a year.

Warren at DMC





ComposerZelgadis@xxxxxxx wrote:
> Hello, list.  Not quite sure where to start with this one, but it  seems that 
> my car isn't producing enough electrical power.  At highway  speeds, 
> headlights and air conditioning OFF, I'll show 13 volts, sometimes a  little below.  




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