I bought some side mirror covers with LED indicators.

http://cgi.ebay.com/ebaymotors/Mercedes-86-95-W124-E-Class-Side-Mirror-LED-Blinker-UP_W0QQcmdZViewItemQQcategoryZ33717QQihZ019QQitemZ290160381749QQrdZ1QQsspagenameZWDVW

Does anyone know the steps involved in hooking it up?

How long of a job is it?
What is involved?

Thanks guys.

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'90 300E
Lowered with Eibach Springs
Mouldings and bumpers painted body color
Clear front corners
94/95 W124 Taillights