b'Disconnect the batteryInstallation GuideRemove the old alternatorRemove the hub extensionCut off the DF wire at the branch of the wiring Air Duct harnessRemove the alternator regulatorCover Fasten the multi-pin plug of the removed regulator on the wiring harnessInstall the new alternator in the blower hous- Note: If the battery charge indicator lamp does not ing go out after starting the engine, the exciter current Push new hub extension onto the wiringis too low because of the 2 watt lamp. In this case, Connector harness and connect the alternator as seen ininstall the resistor (911 641 981 00, 91ohms, 5W) Figure CThehubextension,orairguide,hasalsobeen B+ = Red Wire parallel to the battery charge indicator lamp.modiied to provide an opening for the regulator. D- = Brown wires (ground 2 required) To install the resistor, remove the instrument clus-Thebatterychargeindicatorlampischanged 61 = Blue wire ter and take out the battery charge indicator lamp from the original 2 watts to 4 watts and the DFMount the hub extension on the alternator andsocket. Install both piggyback connectors (111 971 wirewillberemovedfromtheenginewiringinstall the blower housing 511) on the lamp socket and solder the resistor on harness. the outer lat male terminals. Reconnect the lamp Note: These changes took effect with the 1982Tighten the drive belt as speciied socket and install the instrument cluster. Recheck model year production. If applicable, install the air conditionerthe battery charge indicator lamp operation and compressor with the drive belt tightnessofthebeltafterbrielyrunningthe engine.Reconnect the battery Figure C Note: 1982 model cars have a 4 watt indicator lamp, On some early 1982 models, a ground wire was61not installed between the crankcase and alterna- Blue Wire however the larger socket cannot be inserted in the tor. This issue of inadequate grounding can causeinstrument cluster of older models.a parasitic drain on the battery as well as radio interference. If either of these problems developUpdate.or the alternator needs to be removed for repairs, make sure to install the missing ground wire to establish the proper circuit. The Alternator Pulley Clamping Washer (911 603 Also note that the following parts will be required42801)isoneofthemusthavepartsandstill when installing the alternator on cars built prioravailable from SSF. Some of the other original mod-to 1982. iicationpartshavebecomeNLAfromPorsche over the years but the update can still be accom-Alternator911 603 120 04plished without great dificulty. (Valeo 432776) 911 106 033 05 The Air Guide for example can be modiied to it Air Duct thelatestylealternator,andtheresistor,rarely Cover911 603 428 01 necessary,canbeobtainedfromanelectronics Connector 111 971 511 D- B+ supply source if needed. The rewiring info, adapt-Brown Wire Red Wire ing from external to internal voltage regulator, is Resistor(91ohms, 5W) 911 641 981 00 themostimportantsteptocompletethejob successfully.42'