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Hi, I'm not extremely engine savvy so i need a little help. I just picked up a Bosch AL77X for my 144. it bolts on great but the wiring isn't the same as the original alt. I sure don't want to hook it up wrong and ruin anything. Please Help. :confused:

-Gabe

'73 144
 

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Hi, I'm not extremely engine savvy so i need a little help. I just picked up a Bosch AL77X for my 144. it bolts on great but the wiring isn't the same as the original alt. I sure don't want to hook it up wrong and ruin anything. Please Help. :confused:

-Gabe

'73 144
Welcome to Swedespeed, Gabe.

Here is the wiring diagram for a 1973 Volvo 1800ES...

http://volvo1800pictures.com/document/ES73 Wiring digram/73 Wiring.jpg

...which shows the alternater (#14) and associated wiring.

Also, here is a link to a short description...

http://forums.swedespeed.com/showthread.php?158463-72-144E-Alternator-wiring-diagram

...which may help.

If possible post some pictures of your old and new setup including any instructions that came with the new alternator.

Thanks.

George Dill

PS: Below is a related google search result from the Brickboard.

Enjoy.

http://www.google.com/search?hl=en&...=any&safe=images&tbs=&as_filetype=&as_rights=
 

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Solid, Thanks! I've Got it in now and i'm pretty confident it's good to go. Here's how it looks: Fat red wire on fat post, two thin wires each on their own insulated post, fat black wire on 3rd grounded- post alone, green wire on tab. all the HUD lights come on right with the ig-switch on but I have to charge the battery back up before it'll start.
 
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