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Alfa Romeo 156 JTD 1998-2002 Aftermarket Cruise Control Kit
Vehicle Specific Cruise Control for Alfa Romeo 156 JTD 1998-2002
- TUV Tested and approved
- Choice of command modules
- Installation service by Conrad Anderson, approved 3rd Party Dealer, DIY Install or ask your local garage
- Cruise Control and Speed limiter in one unit
Relative difficulty rating:
- Average installation time - 3+ hours
- Physical accessibilty -
- Wiring accessibility - Requires the installation of a clutch switch - included in the kit.
- Setup - Adjustment of sensiivity and acceleration may be required for high payload and heavily laden vehicles.
When ordering please let us know whether your vehicle has a manual or automatic gearbox
Cruise control is a very useful product for driver comfort and safety of the vehicle and passengers. Not only is the system a cruise control (holds any speed at the touch of a button), it is also a driver-set speed limiter (driver chooses a maximum speed according to the road conditions - the vehicle can be driven at any speed under the set speed) and a top-end speed limiter (top speed limit is set upon installation and prevents the vehicle from being driven above that speed); In our view, everyone should have one. So the next question is ""how do you go about purchasing and installing one?""
Conrad Anderson offer installation by our approved 3rd party installer. Generally cruise controls take around 2-3 hours to install depending on the vehicle make, model and year. Some vehicles can take longer depending on the physical & electronic accessibility.
In the box
Cruise control computer - preprogrammed for your vehicle
Computer wiring loom - for power and vehicle speed pulse, brake switch, clutch switch or CANBUS connection.
T-Harness - plug in connection to the throttle pedal
Command module - GC3 standard stalk, with option at purchase to have GC4 or GC5
Cruise control safety features:
- Cruise control must detect resistance across the brake circuit before operation can commence - if the brake lights or brake switch is faulty the cruise will not work.
- If the the speed increases or decreases more than 15% of the set speed during operation the cruise control will automatically deactivate e.g. If driving up a steep hill and the vehicle cannot maintain the set speed in the current gear.
- The throttle pedal connection only affects the working of the vehicle when the cruise control power is turned on. When the cruise control is turned off the pedal signals are unchanged allowing the throttle pedal to operate normally.
- Deactivation when brake is applied.
- Deactivation when clutch is applied.
General installation process - Alfa Romeo 156 JTD 1998-2002
The access required is under the dashboard and the steering column - remove the knee-trim and the steering column cowling. Some vehicles require access to other areas such as the passenger side knee trim or back of the radio.
Use soldered joints for the connections.
Brake and clutch connections are usually found at the top of the brake pedal,but on some vehicles the location for connection has been found along the loom and well away from the switch.
The +ve feed can be accessed from a few places in the vehicle we have found the best location is the main feed for the ignition key. Some care must be taken to make sure the +ve feed used is free from interference - the above location is advised as the best way to avoid this.
The vehicle speed pulse can be found in a variety of different locations and it is more difficult to find than by just probing wires with a multimeter - we will give the location of this connection with the order - according to the latest information in our vehicle database.
The earth connection is not required as it uses the earth connection through the throttle pedal.
Unplug the the throttle pedal connector and place the T-harness inline. Connect the other end to the cruise computer.
Install the command module to the steering column cowling - make sure you mark where the best position is before the trim is removed. Run the cabling and connect into the main computer loom.
The setup procedure is very simple - does not require any extra equipment and takes around 20 minutes to road test. Step-by-step instructions are included which detail the following steps:
Static - while vehicle is stationary
- Pedal setup - allows the cruise control to learn the throttle pedal signals, so that the cruise can mimic the throttle pedal during operation.
- Diagnostic - allows the system to check the installed connections (brake, clutch, command module buttons and speed pulse. (Speed pulse is monitored when the vehicle is driven in diagnostic mode)
- Speed pulse setup - allows the cruise control to learn the vehicle speed pulse.
- Initialisation and sensitivity setting- adjusts the rate of acceleration and sensitivity of the throttle adjustment when the cruise is activated.
Command module functions
GC3 is the basic stalk included in the product price. This includes all the basic functions
Set current speed
Increase and decrease speed
Coast - deactivates cruise (brake and clutch pedal will do the same)
Resume - re activates the cruise at the previous speed
The alternative command modules include all of these functions with additional preset speed memory buttons. These speeds can be changed at any time but are non-volatile, so they remain set even after the ignition is turned off.
GC4 - 2 preset memories
GC5 - 3 preset memories (new design)
Command module installation
The stalk command modules are bolted to the steering column cowling with the wiring running through the centre of the hollow mounting bolt to the main computer wiring loom. The wires are supplied non-terminated to allow them to be run through the drilled cowling, the connector is then connected to the pre-pinned cables. Care must be taken to mount the module in a location with enough space to the rear of the cowling for the securing nut and flanged washer, the final position of the stalk is adjustable using the integral ball joint.
The diagnostic procedure will identify the most common issues , if the cruise does not activate do this first.
- Command module won't light up - check power supply, main fuse
- Cruise control won't activate - module indicator light does not change from green to red - check the brake connection using diagnostic mode.
- Check the brake lights are operational. This is one of the cruise control safety features - must detect resistance across the brake circuit.
If you have any difficulties with your cruise control installation please contact the technical support team on 08002790085
Will aftermarket cruise control affect my vehicle warranty?
No. Conrad Anderson supply and install cruise controls for most of the main dealerships in the UK, covering the vast majority of the vehicle manufacturers. We recommend that the installation is completed by an auto electrician just to put the installation beyond question. Any issue which is believed to be linked to the cruise control installation can be proved one way or the other by removing the fuse from the main cruise computer wiring loom and removing the T-Harness from the pedal.
Tools required for installation
Soldering iron & Solder
Specialist torx and other bits usually required to remove vehicle trim.
General screwdrivers and spanners
Installing a cruise control is very similar to installing a vehicle alarm system. See the general installation process above for an idea of what is involved - the main requirements are:
- Remove & Refit vehicle trim
- Soldering electrical joints
- Basic 12v electrics - Using voltage meters to locate 12v switching wires
- Routing cables away from moving parts
Vehicle Changeover year
Vehicles manufactured or registered around a changeover year will need to be looked at in detail to make sure the correct version of the cruise control is selected.
If your vehicle is 2007 and listed in our website product description as 2007-2011, there could be a difference in the specification - this could be down to the following possibilities:
A 2007 registered vehicle could be a 2006 (or earlier) build year.
Vehicle manufacturers sometimes use 'hybrid' throttle pedal solutions between model changes, the vehicle may look the same but have different throttle pedal connections.
To check which cruise control is correct look at the throttle pedal connection on the vehicle and compare it with the T-Harness connections on the product photo above.