Show CARS CAR'S O TON r NEEDS EEDS WATCHING Electrical System N Needs Care to Avoid L Repairs By fly v CREER Ires Greer College of Auto Auto- Automotive motive motho Engineering Chicago IU III Discovering what ho Is wrong when the electrical system ROCS goes wrong Is not the mystery that It Is cracked up to be for most or of the troubles that occur are aro sur- sur surprisingly sur surprisingly easy to locate and remedy and your our present day present i I motorist Is no dumbbell But he j I does admit that ho doesn't like to get his hands dirt dirty and so neglects the vital points In proper upkeep Should ho do these little things adjustments and re- re repairs repairs re repairs pairs could bo be avoided terminals are a source of very considerable loss of ef- ef efficiency efficiency ef efficiency Equally Important 13 la to keep leep the t terminals clean for clean metallic contacts over a abig big big area Is th the thing to bs be 5 aimed at throughout the system including battery terminals terminals als and thosa thoss of ot the starter the dynamo switches and out cut Puro vaseline asline will keep the battery battery bat- bat tery terminals from corroding And It if tight and well greased will effect an en enormous saving In current and freedom from breakdowns LOOS CONNECTIONS Lighting I troubles are frequent frequent- frequently ly caused aused by loose or dirty con con- connections The rhe connections at every ev every ev- ev every ery point should be scrutinized most as tho the search proceeds pro pro- proceeds pro proceeds This applies to the fuse and switch box As an illustration illustration tion a dead light recently was as found to be ba due duo to tho the fuse fuso wire Ire Ire being loose loos at nt one end A flickering light may be caused by a a loose or dirty connection connection con- con or by a short circuit And Anda Anda a a dead light may bo duo due to tho the same samo causes The rhe ammeter will 1 Quickly show whether n a a flickering tuckering light Is duoto duoto duo to a II loose connection or a 1 short circuit If It when the light goes out the tho ammeter read reading Ins Is reduced re- re reduced the cause causo Is a 1 loose connection connection con- con On tho the contrary If It the tho heading Is Increased the tho trouble Is 15 produced bv by a I short circuit CIRCUIT If It a n dead light Is caused by II a short circuit this fact will bo be In- In Indicated indicated by the tho ammeter which will show how discharge even after the bulb Is r removed moved But If It tho the dead light deadlight Is due to a broken con nee nee- tion llon connection or loose a II connection no Indication will appear on the am- am ammeter ammeter meter even when the bulb Is In place Perhaps the simplest way to locate a short circuit Is to dis- dis disconnect disconnect dis disconnect connect the tho wires In the circuit one ono by one rubbing the disconnected discon- discon netted end over Its terminal so that It will 11 0 a spark If It cur cur- current current cur current rent Is 15 flowing This search may maybe maybo bo be started start cd at the lamp and con eon con continued pack back ack to the switch 00 00 |