Porsche (65-89) multi puprose Relay WITTRIN round 5-pin black Brand New multi-purpose relay - very hard to find. part# 911 615 109 01, 5-pin black, by WITTRIN. Fits a variety of uses in all early 911 and 914's. If yours is round, black, and 5 pin, this will work. Please see FITMENT CHART below under PRODUCT DESCRIPTION.