Why did Porsche change the indicator light on the 928?
A change was made in 1979 where Porsche added a 68 ohm resistor across the indicator light. This was probably added to deliver a little more current to the regulator in order to turn it on quicker. The most common problem in these early 928 circuits, was the indicator light burning out.
What is under the hood of a Porsche 928?
Timing Belt Tension2 Torque Converter Bearing Replacement Torque Tube Replacement (Auto) Trans Fluid Change (Auto) Trans Fluid Change (Auto) 2 Transmission Gear Indicator Light (Auto) Under the Hood, what is it Under the Wheel Wells, what is it
Is it possible to repair a Porsche 928 international?
928 International 928 International is a team dedicated to providing you with the information needed to repair and maintain your Porsche 928. *Some of these files must be viewed with Adobe Reader. This can be downloaded for freefrom Adobe’s website*
Where does the current go in a 928 dash?
In drawings *1 and #2 the flow of current travels from the light where it loops in and out of the Central Electric Board and from there travels to pin #1 of the 14 Pin connector on the right hand side of the engine compartment. The first place to check is at the input pin at the Central Electric Board.
What kind of light bulbs does a Porsche 928 use?
Note: Set of 2 bulbs, only for replacing bulbs in existing H4 headlight systems. Xtreme White Plus provides a cool white light output that gives the driver better color recognition on depth perception and better contrast than stock halogen lamps. The blue top coat on these bulbs adds a slight blue tint to a bulb with no loss of performance.
How does the central warning system work on a Porsche?
The central warning unit contains a “bulb check” function to check the light bulbs. All indicator lamps, the central warning lamp and the acknowledgement button lamp must come on after turning on the ignition. Voltage is supplied to the central warning unit via term.
When does the acknowledgement button come on on a Porsche?
Beginning with 1979 models the acknowledgement button comes on together with the central warning lamp. The central warning unit contains a “bulb check” function to check the light bulbs. All indicator lamps, the central warning lamp and the acknowledgement button lamp must come on after turning on the ignition.