The back of the Haynes manual has excelent visual wiring diagrams. This would be impossible to type out in a little text box. http://www.haynes.com/products/sfID1/3/sfID2/5/sfID3/17/productID/183
You can go to www.eautorepair.net and pay $9.95 for a seven day pass and get all of the wiring diagram's of your car you want.
The diagram is in your owners manual.
Library.
Haynes makes a repair manual for the 1998 Chevy Z-71 contains a wiring diagram for the turn signals. This book is available at most major book stores.
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You would need to get a buddy to post the diagram on a forum. Otherwise it can't be found for free.
I had a 1998 Chevy Malibu and it lasted for 228,000 miles before it died. Mike, Colorado
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If you are modifying your 1998 Catera then you may need to see a wiring diagram. You can find such a diagram on the Modified Life website.
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