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2004 All Other Makes All Other Models Re;24 si

Tiny
UMSURE12
  • MEMBER
  • 2004 ALL OTHER MAKES ALL OTHER MODELS
I have a Delco 24 si alternator that charges 14.5 volts, but only about 2.1 volts under load, (lights, radio, etc on). Thanks
Tuesday, March 3rd, 2015 AT 8:54 PM

4 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Check to make sure blet I sin good shape and if a car/truck check for a burnt fusible link.
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Wednesday, March 4th, 2015 AT 7:32 AM
Tiny
UMSURE12
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  • 4 POSTS
Ok we checked belt and fusible link, Then we tried a Delco 22 si to see if was alternator related. 22 si charges at 14.8 volts under load. Thanks
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Wednesday, March 4th, 2015 AT 9:14 AM
Tiny
UMSURE12
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Regulator maybe?
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Wednesday, March 4th, 2015 AT 5:05 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Yes it may be a regulator but that would be internal and replacing alternator is easiest
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Thursday, March 5th, 2015 AT 5:38 AM

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