Harbor Freight Tools Mechanical Triple Auto Gauge Set Product manual
Contents
1. removed in Step 3 7 7 With engine off turn headlights on and observe the direction of the ammeter needle movement It should point to the left or discharge If it points to the right or charge reverse the position of wires at rear of ammeter 8 After obtaining proper Indication be sure to securely tighten all connections Also make sure no part of the wire conductors exposed in the connecting of the instru ment can touch any grounded part of the car STARTER Figure t B For cars with a separate or horn relay mounted junction terminal GM etc 1 See Fig 2 2 See Step A 2 3 Disconnect the wire running from TO STARTER the hot battery post to horn relay MOUNTED SOLENOID g or junction ferminal usually black at the junction terminal 4 Connect one ammeter wire to the terminal post from which the hot lead was just removed 5 Connect securely the other am Eis a a meter lead to the hot wire discon nected in Step 3 above and insu late from any ground contact 6 Follow instructions in Steps A 7 STARTER and A 8 MOUNTED SOLENOID Continued on back C For cars with the starter solenoid mounted directly on thel starter Chrysler and most independents K 1 See figure 3 i 2 See Step A 2 3 Disconnect the smaller wire red from the solenoid torininat where the heavy battery cable is terminated 4 Connect one ammeter lead to the wire just removed from the soleno2. OIL PRESSURE INDICATOR INSTALLATION Remove oil light sender from the side of the engine thock and disconnect the wire from the indicating fight on the dash Connect the coiled end of the tubing to the engine block where the oil light sender was temoved and the other end to the pressure gauge Where required use adaptor bushing on ail cars with farger oil gallery tap See fig 1 l j TYPICAL GALLERY TAP SIZES Ford 1 4 GM gt 1 8 most Chrysler 1 8 and 1 4 Independent Rambler Willys 1 8 18 71 E Tubing EL p Dash pannel Unlon Agee 1g Tube To NPT dig Tube To Majo 8 anir NPT Connector Ya NPT TO vg NPT E Reducer Used pafin ie on enginas with Union t4 Ol Tap nut ia When UN uso plumbor s putty or teflon tap to provent high pressure teaks i CAUTION DO NOT PLACE TUBING NEAR ANY HOT EXHAUST SYSTEM COMPONENTS WHEN USING INDICATING LIGHT AND OIL PRESSURE GAUGE Insert bushing nipple and T fitting not furnished in place of the present oil light sending unit located on the side of the engine block Connect the tubing to one side of the T fitting and the other end to the oil pressure gauge Con nect oil light sender unit to the other side of the T fitting AMMETER OR ALTERNATOR CURRENT INDICATOR INSTALLATION To install ammeter correctly break existing connection and mount the ammeter in series DONOT connect between the heavy wires from the battery to t
3. UCTIONS FOR ALL GAUGES l 1 Splice the wire from the lamp bulb socket into any wire presently used for ighting your instrument panel Tape to insulate This will allow the lighting of your gauges to operate off the same switch as your dash lights 2 Be sure that mounting pane is electrically grounded to chassis of car to en sure steady gauge indications and light intensity 3 To connect your gauge to 6 volt system remove presently installed 12 volt bulb and replace with 6 volt bulb not included
4. he starter Proper connection will insure that all battery current drain that exceeds the altemator generator charging rate will be indicated as a discharge on the gauge and any alternator or generator charging current output that exceeds the total battery current drain will be shown as a charge NOTE A To install the ammeter correctly requires that all added wiring be the same gauge or larger as the wiring found on the car typically 12 or 10 AWG B Do not attempt to connect any wires between the brass hex nuts and washers right at the back of the indicator case This can cause loose connections and erratic operation CONNECTIONS A In cars with magnetic starter switches such as Ford or Chrysler 1 See figure 1 2 Mount the ammeter where desired and route the wires from the ammeter through the firewall to the magnetic starter switch 3 At the large solenoid terminal where the cable from the battery connects disconnect all wiring EXCEPT the heavy battery cable 4 Connect all the wires removed from the starter switch in Step 3 together with a nut and bolt 5 Connect securely one ammeter wire to the group of wires in Step 4 and insulate to make certain there Is no possibility of these wires touching any part of the chassis body engine etc of the car 6 Connect the other ammeter lead wire to the magnetic starter switch terminal to which the heavy battery cable connects Same terminals from which wires were
5. id battery ter minal and insulate the joint 5 Connect the other ammeter lead to the solenoid palteiy terminal post 6 See Steps A 7 and A 8 WATER TEMPERATURE GAUGE INSTALLATION INSTRUCTIONS FOR INSTALLATION e OIL PRESSURE GAUGE 1 Select a position on the dash for mounting the gauge or group of gauges Drill 7 8 hole in the firewall approximately in line with this position Insert bulb 5 tube and fitting through hole and proceed to mount gauge on dash AM M ETE R and ALTERNATOR Locate suitable opening in the block to reach the cooling system water or lo cate the presently installed water temperature sender Insert bulb on end of tube into the hole and screw fitting on tube into the hole until bulb is held CU RRENT GAUGE securely in place 3 Fitting on end of tube fits most cars If it does not fit your car use enclosed adaptors or in extreme cases check with your dealer so you will be able to purchase the correct adaptor to make the fitting work WATER TEMPERATURE GAUGE Water Jacket in To lighting Dash ponel olroult Thermo bulb These gauges have been designed and manufactured to exacting quality standards to give maximum service and reliability They can be used in place of or in addition to presently operating Spectal indicator lights Gauges insure greater accuracy and provide a seis eee wider margin of safety than indicator lights SSSSSSSSSSSSSSSY f 4 f 4 4 i ILLUMINATING INSTR
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