1993 GMC Safari Owner's Manual - Page 301
1993 GMC Safari Manual
Page 301 highlights
Headlights Theheadlightwiringisprotectedbyacircuitbreakerinthelightswitch.An electricaloverloadwillcause the lights to goonand off, orinsomecases remain off. Ifthishappens,haveyourheadlightwiringcheckedrightaway. to Windshield Wipers Thewindshieldwipermotorisprotected bya circuitbreakerandafuse. themotoroverheatsdue to heavysnow,etc., thewiperwillstopuntilthe motorcools. If theoverloadiscaused bysomeelectricalproblemandnot snow,etc., be sure to getitfixed. If Power Windows and Other Power Options Circuitbreakersinthefusepanelprotectthepowerwindowsandotherpower is too heavy,thecircuitbreakeropens accessories.Whenthecurrentload andcloses,protectingthecircuituntiltheproblemisfixedorgoesaway. Trailer Wiring Harness Theoptionalseven-wiretrailerwiringharnessisprotected byan in-linefuse inthebatteryfeedwire.Thisfuse is nearthejunctionblock.See"Trailer WiringHarness"intheIndex. Fuse Block Thefuseblock is undertheinstrumentpanelonthedriver'sside. removethecoverwithascrewdriverandthenremovefuseswithafuse extractor. To removefuses if youdon'thaveone,holdtheend betweenyourthumbandindexfingerandpullstraightout. Youcan of thefuse 6-63