Im trying to come up with some correct parts for judging my 89 in waco this fall,, last fall i did a local and the judge said my headlights were the wrong part number,, so i go to my gm dealer he sells me an ac delco headlamp for my 89' and got back home and went to replace them and they are the same part number as the old ones already in there,, ,, can someone locate the correct part number for my 89'headlight/lamp,,I want to see what part # someone else comes up with,, thanks, doug f