Follow the big fat cable from the battery - it will go directly to the starter motor - low down (usually) in the area where the engine joins the gearbox.
What makes you think you need a new starter motor?
Peccavi
July 2010
I can answer this question...
where will i find the starter motor on a renault clio 1.9 diesel?
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix cars.