7.3 powerstroke engine harness | eBay Ford Powerstroke 7.3 Main Engine Wiring Harness f250 f350 7 For parts/repair See more like this Tell us what you think - opens in new window or tab Browse related 1996 f350 7.3 motor wiring harness | eBay Save 1996 f350 7.3 motor wiring harness to get e-mail alerts and updates on your eBay Feed. + Items in search results. SPONSORED. Ford Powerstroke 7.3 Engine Wiring Harness f250 f350 7 For repair or parts See more like this. 1996 Ford F350/F250 7 left front door wiring harness. as31702. Pre-Owned. $89.