alternator charging system ??? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Dandeluxe · 04-21-2002, 09:21 PM

i put in an alternator with a built in regulator new from the auto parts store
and i put jumpers on the old voltage regulator plug-- red wire to blue wire to etc. get 12 volts from the ignition to the new alternator. and put the blue and white wire on the plugs on the new alternator. and still am not getting 13- 14 volts off of the new alternator. what am i doing wrong? i have done all that was said to make a reg. with a built in reg. work.?????? aahhhhhhh!!!!

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1969 cst swb 350/400 th DANNY C. ddclux@aol.com st. louis mo.
for pic.s go to http://community.webshots.com/user/dandeluxeGO TO Fotki. com for public pic.s under DANDELUXE
I started out with nothing and i held on to it

Longhorn Man · 04-21-2002, 10:15 PM

Did you take the ground from the harness and ground the case?

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'69 G.M.C. 350/350. Trying to clean up the left over damage from the Dope-Smokin-Old-Man
I've been dubbed the Longhorn Freak/Fanatic/Expert, I just hope I can live up to it.
FINALLY got the HORNIAC...a '70 one ton Longhorn with a Pontiac 350/350 and lots of 'personality'. Check out The Longhorn Webite.
If you need a pic posted, E-mail me at longhornmail@yahoo.com
Andy, in Columbus Ohio

Dandeluxe · 04-21-2002, 10:20 PM

Andy, yes i did put the black wire from the harness and put it to the case on the alt. blue and white wire to the alt. and jumpers on the plug red to blue and brown to white on the harness plug to the old voltage reg. ????????????????????????????????????

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1969 cst swb 350/400 th DANNY C. ddclux@aol.com st. louis mo.
for pic.s go to http://community.webshots.com/user/dandeluxeGO TO Fotki. com for public pic.s under DANDELUXE
I started out with nothing and i held on to it

Dandeluxe · 04-21-2002, 10:23 PM

andy, blue wire to the top side of the alt. and white wire to the bot. plug with the new style harness for an alt.with a built in regulator. the alt. is new
?????????????????

------------------
1969 cst swb 350/400 th DANNY C. ddclux@aol.com st. louis mo.
for pic.s go to http://community.webshots.com/user/dandeluxeGO TO Fotki. com for public pic.s under DANDELUXE
I started out with nothing and i held on to it

Longhorn Man · 04-21-2002, 10:25 PM

Not quite folowing on the blug wires here...I put the blue wire to the red wire on the new pigtail..then the white to the brown.
you have the old reg harness done right from the sounds of it.

------------------
'69 G.M.C. 350/350. Trying to clean up the left over damage from the Dope-Smokin-Old-Man
I've been dubbed the Longhorn Freak/Fanatic/Expert, I just hope I can live up to it.
FINALLY got the HORNIAC...a '70 one ton Longhorn with a Pontiac 350/350 and lots of 'personality'. Check out The Longhorn Webite.
If you need a pic posted, E-mail me at longhornmail@yahoo.com
Andy, in Columbus Ohio

Dandeluxe · 04-21-2002, 10:35 PM

andy, that is exactly the same way i did mine
maybe i got a lemon alternator ill check it out tomorrow. thanks for all your help though!! ill keep u posted. ok thanks, DAN

------------------
1969 cst swb 350/400 th DANNY C. ddclux@aol.com st. louis mo.
for pic.s go to http://community.webshots.com/user/dandeluxeGO TO Fotki. com for public pic.s under DANDELUXE
I started out with nothing and i held on to it

Longhorn Man · 04-21-2002, 10:53 PM

Check the back with a screwdriver...hold it by the center where the bearings are at. It should have a magnetic area while running it the thing isn't a turd.

------------------
'69 G.M.C. 350/350. Trying to clean up the left over damage from the Dope-Smokin-Old-Man
I've been dubbed the Longhorn Freak/Fanatic/Expert, I just hope I can live up to it.
FINALLY got the HORNIAC...a '70 one ton Longhorn with a Pontiac 350/350 and lots of 'personality'. Check out The Longhorn Webite.
If you need a pic posted, E-mail me at longhornmail@yahoo.com
Andy, in Columbus Ohio

70c10 · 04-23-2002, 07:02 AM

I got 3 bad alternators in a row last year. This drove me crazy. I wouldn't believe anybody that told me that, but I can tell you first hand it did happen!. Make them take your New rebuilt alternator out of the box and test it BEFORE you leave the store. I did this on the last one and have had no problems since.

71Chev · 04-23-2002, 08:27 AM

Are you checking it with the engine at idle?
Kick the rpms up a little, what does it put out then?

I too had a "new" alt that was bad. Just because a part is new, doesn't mean it's good.

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71 Chevy CST Long Fleet 350/350/3.07 leaf rear.

04-21-2002, 09:21 PM	#1
Dandeluxe Senior Member Join Date: Nov 2001 Location: st.louis mo. Posts: 717	alternator charging system ??? i put in an alternator with a built in regulator new from the auto parts store and i put jumpers on the old voltage regulator plug-- red wire to blue wire to etc. get 12 volts from the ignition to the new alternator. and put the blue and white wire on the plugs on the new alternator. and still am not getting 13- 14 volts off of the new alternator. what am i doing wrong? i have done all that was said to make a reg. with a built in reg. work.?????? aahhhhhhh!!!! ------------------ 1969 cst swb 350/400 th DANNY C. ddclux@aol.com st. louis mo. for pic.s go to http://community.webshots.com/user/dandeluxeGO TO Fotki. com for public pic.s under DANDELUXE I started out with nothing and i held on to it __________________ 1969 cst swb 350/400 th . DANNY C . ["]FRIENDS DONT LET FRIENDS DRIVE F@RD$!! 1969 cst swb corvette hugger orange with 400 hp sbc I started out with nothing and i held on to it

04-21-2002, 10:20 PM	#3
Dandeluxe Senior Member Join Date: Nov 2001 Location: st.louis mo. Posts: 717	Andy, yes i did put the black wire from the harness and put it to the case on the alt. blue and white wire to the alt. and jumpers on the plug red to blue and brown to white on the harness plug to the old voltage reg. ???????????????????????????????????? ------------------ 1969 cst swb 350/400 th DANNY C. ddclux@aol.com st. louis mo. for pic.s go to http://community.webshots.com/user/dandeluxeGO TO Fotki. com for public pic.s under DANDELUXE I started out with nothing and i held on to it __________________ 1969 cst swb 350/400 th . DANNY C . ["]FRIENDS DONT LET FRIENDS DRIVE F@RD$!! 1969 cst swb corvette hugger orange with 400 hp sbc I started out with nothing and i held on to it

04-21-2002, 10:23 PM	#4
Dandeluxe Senior Member Join Date: Nov 2001 Location: st.louis mo. Posts: 717	andy, blue wire to the top side of the alt. and white wire to the bot. plug with the new style harness for an alt.with a built in regulator. the alt. is new ????????????????? ------------------ 1969 cst swb 350/400 th DANNY C. ddclux@aol.com st. louis mo. for pic.s go to http://community.webshots.com/user/dandeluxeGO TO Fotki. com for public pic.s under DANDELUXE I started out with nothing and i held on to it __________________ 1969 cst swb 350/400 th . DANNY C . ["]FRIENDS DONT LET FRIENDS DRIVE F@RD$!! 1969 cst swb corvette hugger orange with 400 hp sbc I started out with nothing and i held on to it

04-21-2002, 10:35 PM	#6
Dandeluxe Senior Member Join Date: Nov 2001 Location: st.louis mo. Posts: 717	andy, that is exactly the same way i did mine maybe i got a lemon alternator ill check it out tomorrow. thanks for all your help though!! ill keep u posted. ok thanks, DAN ------------------ 1969 cst swb 350/400 th DANNY C. ddclux@aol.com st. louis mo. for pic.s go to http://community.webshots.com/user/dandeluxeGO TO Fotki. com for public pic.s under DANDELUXE I started out with nothing and i held on to it __________________ 1969 cst swb 350/400 th . DANNY C . ["]FRIENDS DONT LET FRIENDS DRIVE F@RD$!! 1969 cst swb corvette hugger orange with 400 hp sbc I started out with nothing and i held on to it

04-23-2002, 07:02 AM	#8
70c10 67-72 Addict! Join Date: Feb 2002 Location: The TAX State! Posts: 7,856	I got 3 bad alternators in a row last year. This drove me crazy. I wouldn't believe anybody that told me that, but I can tell you first hand it did happen!. Make them take your New rebuilt alternator out of the box and test it BEFORE you leave the store. I did this on the last one and have had no problems since. __________________ Jim 1970 C/10 Fleetside w/Ghost Flames Lowered 4.5" front and 4" rear (Raked) 355/350 Turbo w/shift kit 10" Redneck Performance Verter w/2500 stall Hooker Super Comps part#2808-1 Performer RPM Air-Gap 12 Bolt w/3:73 gears- Eaton Posi Comp Cams XE262 with 1.6 Crane Energizers, Road Demon 625 and Brodix IK 180 heads

04-21-2002, 10:15 PM	#2
Longhorn Man its all about the +6 inches Join Date: Jan 2001 Location: Hilliard Ohio Posts: 2,690	Did you take the ground from the harness and ground the case? ------------------ '69 G.M.C. 350/350. Trying to clean up the left over damage from the Dope-Smokin-Old-Man I've been dubbed the Longhorn Freak/Fanatic/Expert, I just hope I can live up to it. FINALLY got the HORNIAC...a '70 one ton Longhorn with a Pontiac 350/350 and lots of 'personality'. Check out The Longhorn Webite. If you need a pic posted, E-mail me at longhornmail@yahoo.com Andy, in Columbus Ohio

04-21-2002, 10:25 PM	#5
Longhorn Man its all about the +6 inches Join Date: Jan 2001 Location: Hilliard Ohio Posts: 2,690	Not quite folowing on the blug wires here...I put the blue wire to the red wire on the new pigtail..then the white to the brown. you have the old reg harness done right from the sounds of it. ------------------ '69 G.M.C. 350/350. Trying to clean up the left over damage from the Dope-Smokin-Old-Man I've been dubbed the Longhorn Freak/Fanatic/Expert, I just hope I can live up to it. FINALLY got the HORNIAC...a '70 one ton Longhorn with a Pontiac 350/350 and lots of 'personality'. Check out The Longhorn Webite. If you need a pic posted, E-mail me at longhornmail@yahoo.com Andy, in Columbus Ohio

04-21-2002, 10:53 PM	#7
Longhorn Man its all about the +6 inches Join Date: Jan 2001 Location: Hilliard Ohio Posts: 2,690	Check the back with a screwdriver...hold it by the center where the bearings are at. It should have a magnetic area while running it the thing isn't a turd. ------------------ '69 G.M.C. 350/350. Trying to clean up the left over damage from the Dope-Smokin-Old-Man I've been dubbed the Longhorn Freak/Fanatic/Expert, I just hope I can live up to it. FINALLY got the HORNIAC...a '70 one ton Longhorn with a Pontiac 350/350 and lots of 'personality'. Check out The Longhorn Webite. If you need a pic posted, E-mail me at longhornmail@yahoo.com Andy, in Columbus Ohio

04-23-2002, 08:27 AM	#9
71Chev Senior Member Join Date: Dec 2000 Location: Indiana Posts: 3,074	Are you checking it with the engine at idle? Kick the rpms up a little, what does it put out then? I too had a "new" alt that was bad. Just because a part is new, doesn't mean it's good. ------------------ 71 Chevy CST Long Fleet 350/350/3.07 leaf rear. __________________ 71 Chevy CST Long Fleet 350/350/3.07 leaf rear.



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