60 amps
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Senior User
Joined: Jun 1999
Posts: 140
Likes: 2
From: Bander, TX (Hill Country)
60 amps
Drove my truck to work the other day.. all is fine... go out to start it to go home... it starts and I get a really loud alternator belt squeal.. the ammeter pegs.. shut it off and restart, same thing happens... I check the belt.. it's tight.. well, I have to get home.. 10 miles so I go..
Squealing finally stops but ammeter stays pegged at 60 above idle. I get home without frying anything... get my trusty digital voltmeter, attach it to the battery at idle and I get 16.7 volts, off idle, I get 17.4 volts.. engine shut off, battery shows 13.2 volts... nothing smells burnt, no wiring toasted...
Engine is a '70 351W.. wiring is out of a '76 T-bird.. (where the original donor engine came from).. ignition system is ACCEL 300+ running thru a speedshop rebuilt recurved duraspark dist. Alternator and voltage reg are about 3 years old (Autozone specials)...
I suspect either the alternator or voltage reg..
suggestions before I pull them out for checking?
Bill in Mobile
'64 F100 Shortbox ('70 351W/'76 C4)
Squealing finally stops but ammeter stays pegged at 60 above idle. I get home without frying anything... get my trusty digital voltmeter, attach it to the battery at idle and I get 16.7 volts, off idle, I get 17.4 volts.. engine shut off, battery shows 13.2 volts... nothing smells burnt, no wiring toasted...
Engine is a '70 351W.. wiring is out of a '76 T-bird.. (where the original donor engine came from).. ignition system is ACCEL 300+ running thru a speedshop rebuilt recurved duraspark dist. Alternator and voltage reg are about 3 years old (Autozone specials)...
I suspect either the alternator or voltage reg..
suggestions before I pull them out for checking?
Bill in Mobile
'64 F100 Shortbox ('70 351W/'76 C4)
Elder User
Joined: Oct 1999
Posts: 917
Likes: 3
From: Kelseyville USA
60 amps
I would be on track with you and have the alternator AND reg. checked and if you can just replace both
__JOHN__Õ¿ö
Member-
"Crusin North" Car Club
Santa Rosa, Calif.
72 F-250
ICQ#6030753
http://clubs.excite.com/72FORD-F-250
__JOHN__Õ¿ö
Member-
"Crusin North" Car Club
Santa Rosa, Calif.
72 F-250
ICQ#6030753
http://clubs.excite.com/72FORD-F-250
