H ELECTRICAL SYSTEM SUBJECT PAR SUBJECT PAR Directional Signal Lamps H 138 HORN H l37 Hazard Warning Lamps H 139 Lamp Replacement H 130 ELECTRICAL COMPONENT Head Lamp Aiming Procedure H 131 REPLACEMENT H 150 Headlight Dimmer Switch H 127 License Plate Lamp H 136 WINDSHIPLD WIPER Main Light Switch l H 126 SYSTEM H 141 thru 149 Marker Lights H 140 Parking and Turn Signal Light H 133 SERVICE DIAGNOSIS H 151 Stop Light Switch I I 128 Tail Stop and Turn Signal Lamp H 134 ELECTRICAL SPECIFICATIONS I I 152 H 1 GENERAL Caution When installing the battery the nega AU Jaap Universal Vehicles are equipped with l2 tive terminal must be grounded Reverseipolarity of volt electrical systems Use caution around the the battery ean eallse Severe damage te the eharg higher voltage of the 12 volt system as accidental ing Systenl short circuits are more capable of damaging electri cal units Also arcs around the 12 volt battery are Battery Inspection mam arr ta lgmtc any gas that may be asaarma a Check the specific gravity of the electrolyte in frprp rt in the following paragraphs wrll ba fauad eaeh cell er the battery A hydrerneter reading of information about the battery distributor coil 1r260 indieates that the battery is fully charged generator alternator voltage regulator and start it the reading is 1l225 Or below the battery needs ing motor These units with the connecting wires recharging If One ur more Cells is 25 pOints make up the engine electrical system The wiring g5 gr more lower than the other cells this in diagram will Shaw the dirfaraat circuits pf the aa dicates that the cell is shorted the cell is abeut to gine electrical system and the various units which fail or there is a eraek in the battery partitiori in rneke up these elrenns the case Unless the battery is repaired or replaced with Plesrrereeyered Wiring harnesses use Only battery trouble will soon be experienced b Check the electrolyte level in each cell add Caution All current production vehicles are 12 distilled water to maintain the solution 9 5 volt negative ground Whenever servicing a 12 mm above the plates Avoid overfilling Replace volt electrical system use caution as an accidental the filler caps and tighten securely It is important short circuit is capable of damaging electrical units to keep the electrolyte level above the plates at all Disconnect battery ground cable before changing times because plates that are exposed for any electrical components length of time will be seriously damaged c Check the wing nuts on the hold down frame for tightness Tighten them only with finger pres H 2 Battery sure never with pliers or a wrench Excessive The battery is a storage reservoir for electrical pressure eoo1r1 damage the battery cast energy produced by the alternator or generator d Clean thc bnrrnr terminals and Cable cnn The battery should St0I sumcrent energy for n ctOfS Prepare 3 gtiiong solution of baking s0d9 operation of the entire electrical system when the and Wnrnr and brush lt around rhn rnrrnlnals tn altemamr Or generator as act producing Output remove any corrosion that is present The cell caps such as when the ignition is first turned on Of r b rl hr and rhnlr Vents Snnlnrl rn rnvnnt particular importance is maintaining the electrolyte gms E lgr r rh ll Arr F n n at the correct level regularly checking with a ccamng Sobll IO C arimg crlcc Sr rncrrcfrarrr hydrometer and maintaining clean tight cable cqnncct Ca CS O a cry an Goa 8 E 1 a S nnnnnnrlnnsr with heavy grease Battery service information is given in this section e Inspect the batrtery reabrles rand replaclre ef badly r r ec ti tness o ermma Cautmni Da rat anaw Hamas OY Sparks ta ba ggiegvc cto gnsurifood electricaigconnections Check brought near the vent openings of the battery since the tightness Of the negative ground Cable eel i nydregen gas may be Present ra the battery ard nection at the frame to ensure a good ground mrsht eXmOde connection Note The liquid in the battery electrolyte is a f Load test the battery Connect a voltmeter S0lu i0 of Sulphufie acid which on contact 0311 across the battery Run the starting motor for injure skin or eyes or damage clothes If it is spilled 15 Seconds If the voltage does not drop below 10 0 h skin 0i sparrered in the eyes Pmrnptly Hush volts the battery is satisfactory If the voltage falls it away with quantities of clear water only If the below the figure given yet the specific gravity is acid is spilled on clothes wet it thoroughly with a above 1 225 the condition of the battery is is weak solution of ammonia or with a solution of questiorrabie n Be nnnn the engine nnnnn nnnp eemieetien 172