Charging system problem
Thread Starter
Instructor
Joined: May 2002
Posts: 206
Likes: 0
From: Las Vegas NV
Charging system problem
My battery isn't being charged. I have a new alternator, had it bench checked, and it's ok. I was told to rewire it, because some of the wiring is corroded ... badly. I will try to replace the wire that's bolted to the back of the alternator, use a new wire and go straight to the battery wire. I want to know if that wire that's bolted to the back of the alternator connects to anything else. I see it goes down the mid of the block and to the back of it, where it goes to the battery, does the wire branch off anywhere, or will it be a simple snip snip job. any help, pics, or diagrams. A wiring diagram would be nice, as the one in the Hanes manual is a little cryptic. thanks a bunch.
By the way, it's an '84 with the original Crossfire, I believe.
[Modified by WEB_War84, 9:36 PM 10/13/2002]
By the way, it's an '84 with the original Crossfire, I believe.
[Modified by WEB_War84, 9:36 PM 10/13/2002]
Melting Slicks
Joined: Nov 2000
Posts: 3,388
Likes: 1
From: X
Re: Charging system problem (WEB_War84)
Go join this site http://www.crossfire.webhop.net/ Then click on TECH>>>84 Wiring Diagrams...its all right there for you
Team Owner
Joined: Dec 2000
Posts: 90,675
Likes: 304
From: SE NY
Cruise-In II Veteran
Re: Charging system problem (WEB_War84)
I too only have the Haynes for reference on an '84 Vette.
However my '88 and Scorp508's '87 have fusable links between the alternator and the battery. In our cases the alternator lines go to a block behind the battery and the fusable link is in that area. It resembles a rubber-covered length of solid copper wire.
However my '88 and Scorp508's '87 have fusable links between the alternator and the battery. In our cases the alternator lines go to a block behind the battery and the fusable link is in that area. It resembles a rubber-covered length of solid copper wire.
Team Owner
Joined: Mar 2001
Posts: 54,124
Likes: 30
From: Cincinnati, Oh USA
Re: Charging system problem (WEB_War84)
The wire on the alternator output goes directly to the jumper terminal next to the battery through a fusible link. Make sure you have a fusible link or an inline fuse in series with this wire or in the case of a diode failure in the alternator , your car will likely catch fire. To put it more directly, DO NOT connect only a wire from the alternator to the jump terminal next to the battery.
Intermediate
Joined: Jan 2001
Posts: 29
Likes: 0
From: Grand Junction, co
Re: Charging system problem (WEB_War84)
I had the same problem. Turned out to be a loose connection at the starter. I did the same check as you did and redid the wire from the alt. Check the connections at the starter, even a loose bolt can cause this, according to the guys at Glenwood Auto Electric.
Race Director
Joined: Aug 2002
Posts: 13,356
Likes: 0
From: tucson AZ
St. Jude Donor '04 & '05
Re: Charging system problem (WEB_War84)
I have an '84 vette...and would like to know why you have this problem....So please let me know how you repair it.....I put an 140 amp altenator from tuff stuff in mine....and have no problems with any wires going to the altenator.....
you should check other possibilitys...
tony :confused: :confused: :confused:
you should check other possibilitys...
tony :confused: :confused: :confused:
Thread Starter
Instructor
Joined: May 2002
Posts: 206
Likes: 0
From: Las Vegas NV
Re: Charging system problem (oldace84)
I jacked the car up and checked the starter. sure enough, the battery wire was jacked up, and separated from the bolt. the wire was dry as heck and broke away like dirt. luckily, we rigged a connection and got it going. what you should do is get a multimeter and check the wire that goes on the back of the alternator and for the other part, there is a pull apart wire connection near the master cylinders, it's a red wire with a black plastic connection, right before it goes to the positive battery connection. if you get a tone from the multimeter, than something else is wrong, cause the wire is good. i didn't get a tone, because a wire separated from the starter. the car is finally working after 6 months ... yippe
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