This diagram details the engine wiring for a 1988-93 Mass Air Mustang, showing sensor connections and relays.
193333 ENGINE AIR - VEHICLE comm CHARGE THROTTLE BAROMETRIC 33:21:: SPEED TEMP TEMP POS'TION PRESSURE SENSDN (ECU (ACn SENSOR 13F! (VSS) SENSOR SENSOR ("5 SENSoN Ecru} J_1VS$ 1763? vsse s Auln Trans oNLv "DS 3" Man Trans oNLv SIG RT" as VREF 26 1 LH HEATED NH HEATED SELEJEST ExHAuST ExHAuST MASS coNNECroN OXYGEN OXYGEN AINELow (HEGO) (HEGO) (MAP) SENSDN SENSDN SENSDN STO/MIL 17 MAE MAE MA/OZ RELAY SELEJEST INPUT coNNECroN (5le Am ll" BYPASS 5 Am an .-. a: ISC CASE GND la 21 PWN GND an HEGO GND as PWN GND 6n "5 we |NJ7 INJB 1a 15 62 52 EEc p' 37 VPWN EEc pm 57 VPWN aArrENv EEI NELAv
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