Anti-theft system transceiver ?
Theft Deterrent System
The Theft Deterrent System on this vehicle is comprised of two separate systems, the Personal Automotive Security System (PASS-Key?® III) and the Content Theft Deterrent (CTD) system. These system are described and diagnosed separately within this section. For CTD operation, refer to Content Theft Deterrent (CTD) Description .
SECURITY Indicator
The yellow indicator SECURITY on the instrument cluster is controlled by both the PASS-Key?® III system (VTD module) and the CTD system (RIM).
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PASS-Key?® III system, the VTD commands the instrument cluster to control the indicator only when the ignition switch is ON.
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CTD system, the RIM commands the instrument cluster to control the indicator only when the ignition switch is OFF.
PASS-Key?® III System
The PASS-Key?® III system is designed to help prevent vehicle theft by disabling the engine unless an ignition key with a specific electrical value is used in the ignition lock cylinder. The PASS-Key?® III system operates independently of the CTD system. Protection is provided even if the CTD system is not armed. The components of the system are the ignition keys (black or gray), ignition lock cylinder, Theft Deterrent (VTD) module, Reader Exciter, Powertrain Control Module (PCM) and two starter relays (START 1 and 2) in the underhood fuse block.
Stand in front of the car, open the hood, and face the engine.Where is the lower radiator hose 99
On the left hand side of the radiator, at the top, is the upper radiator hose; which goes to the upper water pump connection.
On the right hand side of the radiator, from the bottom, is the lower radiator hose; which goes to the lower water pump connection.
Note: The firing order above is that of a GM northstar block and must be changed for SBC applications, see below
Crankshaft Position sensors
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