1999 F150: my turn signalsi-function switchram 1999 F150: my turn signalsi-function switchram I have a 1999 ford e450 that the rear right turn. Signal and brake light do not function the left rear functions correctly both front turn signals work i have a ford f150 1999 the plug on the multi switch that runs the turn signals is broken and all the wires pulled out of the5/5(3) needing a wiring diagram 99 f150 - Ford F150 Forum Hey all. I have a 1999 f150. i am in need of a wiring diagram for the turn signals. the coupler that holds the wires well the wires pulled out and i have no clue which wires go to what on the turn signal unit. Before the turn signals wouldnt work if my 99 F150 Turn Signal Wiring Diagram | Diagram 99 F150 Turn Signal Wiring Diagram. Posted on June 2, 2019 by admin. 2002 lincoln continental fuse diagram wiring diagramfuse box 98 town car diagrams03 99 f250 radio wiring diagram best of 2000 ford ranger turn signal 1999 ford f150 fuel pump wiring diagram within 2001 1980 ford pinto wiring diagram basic electronics steering column. 1999 ford f150 turn signals not working - Fixya 1999 ford f150 turn signals not working - Ford 1996 F150 Regular Cab question. Search Fixya. Browse Categories Answer Questions . 1996 Ford F150 Regular Cab; Ford 1999 ford f150 turn signals not working - 1996 Ford F150 Regular Cab. Posted by Anonymous on Mar 29, 2012. Want Answer 0.