Electronics Need help wiring something up? Thinking of adding an electrical component to your car? Need help troubleshooting that wiring glitch?

'88 Alternator on '85 car?

Old Feb 1, 2004 | 09:00 AM
  #1  
malc_p's Avatar
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From: South Coast UK
Car: '85 Z28
Engine: 305 (H code)
Transmission: 700R4
'88 Alternator on '85 car?

Hi
('85 Z28 305)
My alternator has died and the only replacement I've been able to get hold of is a new Excel, but it's for an '88-89. This is the UK and (non-overpriced) parts are difficult to find - quotes for new alternators of 175 UK pounds (over $300) for example!
Problem is, the old alternator only has the main output lug and a two-pin spade connector on the back (although the VIN is definitely '85, it's got the 84 alternator wiring. Transitional phase?).
The new alternator has the '85-up 4-pin SFLP connector.
Does anyone have info on whether this is an OK swap to do, and how I wire up the SFLP connector to the 2-pin loom?
Many thanx
Malc
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Old Feb 1, 2004 | 09:06 AM
  #2  
Dave Y's Avatar
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Joined: Aug 2002
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From: Detroit, Michigan
Car: 04 Xtreme Blazer
Engine: 4.3L V6
Transmission: 4L60E
if you can get a connector for the 88 alt., the wiring (other than the plug) is the same, you will only use 2 of those 4 terminals
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Old Feb 1, 2004 | 09:25 AM
  #3  
malc_p's Avatar
Thread Starter
Junior Member
 
Joined: May 2003
Posts: 17
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From: South Coast UK
Car: '85 Z28
Engine: 305 (H code)
Transmission: 700R4
ermmm..... those two connectors being S,F,L or P?
The wire colours in the loom I have are brown (into loom from output lug) and red (to battery).
Malc
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Old Feb 1, 2004 | 09:32 AM
  #4  
Dave Y's Avatar
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Joined: Aug 2002
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From: Detroit, Michigan
Car: 04 Xtreme Blazer
Engine: 4.3L V6
Transmission: 4L60E
this is the swap you are doing, right?
Attached Thumbnails '88 Alternator on '85 car?-sicsback.jpg  
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Old Feb 1, 2004 | 09:33 AM
  #5  
Dave Y's Avatar
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Joined: Aug 2002
Posts: 676
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From: Detroit, Michigan
Car: 04 Xtreme Blazer
Engine: 4.3L V6
Transmission: 4L60E
if so, the big wire still goes to the back, the red wire from the harness goes to S and the brown goes to L

Last edited by Dave Y; Feb 1, 2004 at 09:35 AM.
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Old Feb 1, 2004 | 09:41 AM
  #6  
malc_p's Avatar
Thread Starter
Junior Member
 
Joined: May 2003
Posts: 17
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From: South Coast UK
Car: '85 Z28
Engine: 305 (H code)
Transmission: 700R4
Wow - talk about first-class service! :hail:
Your pics are exactly what I have, I just need the conn block and I'm away.
Superb!
Malc
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