Working on installing a remote starter, I have a PATS bypass but I'm not sure where to find it so I can wire my bypass? For remote start I have to wire to my tachometer, can I just wire it to one of my ignition coils?

 

12V|yellow, grn/purple |+ | ignition harness
STARTER |red/lt. blue |+ | ignition harness
| IGNITION |blue/lt. green |+ | ignition harness
| SECOND IGNITION|gray/yellow(2nd acc)|+ |ignition harness
ACCESSORY |red/black |+ |ignition harness
| SECOND ACCESSORY| black/green |+ | ignition harness
POWER LOCK| pink/yellow |- | keyless module *2
POWER UNLOCK| pink/green *5 |- | keyless module *2
LOCK MOTOR| pink/black | | drivers kick panel
UNLOCK MOTOR| red/orange | | drivers kick panel
DISARM DEFEAT| pink/orange | | passengers kick panel
PARKING LIGHTS | brown | + | at light switch
PARKING LIGHTS | | | |
HEADLIGHTS| | | |
DOOR TRIGGER |lt. blue/white *3 |- | keyless module *2
DOME SUPERVISION| black/lt. blue |+ | passenger kick panel
TRUNK/HATCH PIN|tied in with door | | |
TACHOMETER |*1 | | |
SPEED SENSE| gray/black | |cruise control module *4
BRAKE WIRE| green |+ | at brake switch
HORN TRIGGER| dk. blue |- | steering column
LF WINDOW UP/DN| wht/blk - orn/wht |A | at drivers door motor
RF WINDOW UP/DN|tan/blu - wht/yel |A |drivers door switch
LR WINDOW UP/DN|yel/blu - gry/orn |A |drivers door switch
RR WINDOW UP/DN|red/blk - yel/blk |A |drivers door switch
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NOTE: This vehicle is equipted with PATS (Passive Anti Theft System). Use DEI module 555F to over-ride during remote start. *1 Tach wire: On the 4.6L go to any of the 8 ignition coils and use the wire that is not red/green. On the 5.4L it is a lt. green/white at the coil on the passenger side of the motor between the fuel injectors. *2 The keyless module is located high in the drivers kick against the firewall. *3 One of two. The wire is in pin 11 and it is next to the black/pink wire. Test with a digital multi-meter ONLY, to keep from damaging the circuit tied into the other lt. blue/white. *4 The cruise control module is on the driver side fender. *5 The GEM in this vehicle shuts down after the doors have been locked for a certain time period, to 'wake-up' the system refer to directfax document #1093.

The pats box is on the driver side not exactly sure probably in the kick panel.
Hope this helps!


Marc
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Mdelano (Marc), Thanks for the great reply. Wealth of info! I'm printing this one and adding it to my manual. Thanks for asking the question, Eagerinsight.