SS100 Build Manual (Export Edition) Rev 10 November 2013
9.1.22 Overdrive switch
The last standard dashboard switch is for overdrive.
+12v input from overdrive inhibit switch
+12v output to overdrive relay
9.1.23 Tachometer
There are two types of tachometer, induction type ne
ed the coil positive wire run through the tachometer, If
you have this type locate the White/Green at the steering ignition key and run this wire through the
tachometer. Others like the type supplied by Suffolk Sportscars only need a trigger wire from coil negative.
The below wiring is for a Suffolk Sportscars supplied gauge, please contact Suffolk Sportscars for help
wiring up other types of gauge.
9.1.24 Spot lamp feed
Also in this area is the spot lamp control feed, this can be wired through a standard on/off switch or through
a standard four pin relay so they come on and off with main beam.
+12v output to spotlamp/s
+12v trigger from main beam feed at stalk or warning lamp
9.1.25 Oil pressure gauge
If using an electric gauge extend wires to reach wires in section 12 above, if using Suffolk Sportscars
supplied
mechanical gauge the capillary tube needs to be fed through the dashboard hole, across the roll
hoop and through the bulkhead to the engine, make sure the tube is not kinked or able to jam in any moving
parts. Two adaptors will be supplied with the gauge, the larger steel adaptor needs to be fitted into the oil
supply in the engine block using a copper washer to seal, on the right side of the engine you will find a row
of six blanks just above where the block meets sump, any one of these blanks can be removed to fit the steel
adaptor.
Into the steel adaptor you need to fit the brass adaptor, this needs to be fitted with the flat end into the steel
adaptor, the other end of the brass adaptor has a raised centre to hold a small fibre washer which needs fitting
before connecting on the oil pressure pipe. The gauge end also needs a fibre washer fitting before connecting
the gauge.
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