3 1 Page Page llamrlu and Ground Gnnmtlons 4 3 1 Llgnllnn Syslams lllraullaml Signal SwlItll Ilnms 366 I2ruI Command 4 4 3 89 lllnlarmll Alnrnalur 4 3 1 1 lI lw Alhrnaiar 10 Sl Serln 3 21 lhdlus 3 15 Elwtrlully p nt d Tallgm Wlndmu 3 86 Starllnq System 4 4 4 3 31 lqnlllan Sym 3 41 TalI al llllnduw ll lnq ar 3 BI lnslrunmnl tlustw and Intlrunm Paml tnmpmnls 364 Trallar Tnwlng Pwkano 3 98 BATTERIES ARI GROUND BIIRNECTIONS up Pm ll tl rl 4 4 3 2 ll n r I 3 1 lhmry Charglng 4 4 4 4 3 3 lirmmd Cannmlnns 4 3 1 llallny Mal t m 3 4 lhln llarnus Connonlnr 4 4 4 3 1 Iamry Tallnq 3 I GENERAL lnstrument Panel The hi beam lamp turn signal in dicator lamps panel lighting lamps and the constant A 12 volt negative ground dc system is used which voltage regulator CVR for the fuel and temperature utilizes the frame and body for the ground return cir gauges ground at the instrument cluster or panel for cuit all models Frame to Engine Ground All models utilize a CAUTION Bums Otlwr llamage may be mused by ground strap The strap is attached to the left motor accidentally grounding ctrcmts through careless use of mount tools or by not tightening ocwmectiona in energized cir s GJ Madnls A 12 v0It electrical system can generate an arc that The instrument cluster is grounded by the four j m lg fug 2 ff giB jnl g th j 53 3 3 mounting studs welded to me instrument panel ng so cable before removing any electrical component Note the ground Contact for the CVR fig 2 The regulator is part of the fuel gauge and depends on this GMIIIIID CONNECTIONS ground to regulate voltage to the gauges The wiper washer lights and heater control lights Check for a poor or no ground condition when ser are grounded by a wire attached to a screw at the lower vicing electrical malfunctions such as erratic tem lip of the instrument panel perature and fuel gauge readings directional lamps glowing when headlamps are operated windshield ClI I 0ll00 WZQOROOT TNDR wiper motor attempting to operate when some other electrical component is operated The cluster is grounded from a pin terminal on the All models have the battery ground cable attached cluster to a mounting screw on the lower lip of the in directly to the engine An additional ground wire con strument panel above the parking brake mechanism nected to the battery negative cable terminal end is attached to the dash panel on CJ models and to the HAIR RARRESS RURREUTUR right front fender inner panel on Cherokee Wagonneb Truck models To complete the ground return circuit All models have a main wiring harness connector lo from the load bulb gauge etc back to the battery the cated at the left upper corner of the toeboard dash pan ground connections and their locations are as follows el