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      1985 Seville with HT4100. I'm working on tuning up my Caddy, and would like to check the timing. The emissions sticker under the hood says to disconnect a green reference wire 'behind the distributor'. I've spent a lot of time searching but still can't locate that wire. Could anyone point me in the right direction? Thanks.

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Look on the firewall

Pre-1995 - DTC codes OBD1  >>

1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm

How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/

Cadillac History & Specifications Year by Year  http://www.motorera.com/cadillac/index.htm

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    BodybyFisher - Thanks for your suggestion. I finally found it (one single green wire and connector) close to the firewall right under the big round cruise control module..Can't find the distributor bolt, but that's another story.

    Thanks again.

 

   

 

 

 

 

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50 minutes ago, Bill Spangler said:

    BodybyFisher - Thanks for your suggestion. I finally found it (one single green wire and connector) close to the firewall right under the big round cruise control module..Can't find the distributor bolt, but that's another story.

    Thanks again.

 

   

 

 

 

 

Glad to help.  I know you know, but follow the base of the distributor down to the block and you should find it.  

Pre-1995 - DTC codes OBD1  >>

1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm

How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/

Cadillac History & Specifications Year by Year  http://www.motorera.com/cadillac/index.htm

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Possibly saves some foul language. Hate that bolt. Especially when tightening it, and breaking it loose after a long time

GM FAN FOREVER

Nice, clean, luxury= fine automobile

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4 hours ago, Bill Spangler said:

   Thanks again. I just ordered a used Snap-on dist. wrench on eBay. 

Ahh, an excuse to buy a tool! Nice, and its a snap on, even better!

Pre-1995 - DTC codes OBD1  >>

1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm

How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/

Cadillac History & Specifications Year by Year  http://www.motorera.com/cadillac/index.htm

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