SS100 Build Manual (Export Edition) Rev 10 November 2013
Join to either black above
Optional Low fluid/Handbrake warning
lamp
-12v from master cylinder
-12v from handbrake
Also in this area is a connection of green cables, these are standard wiring loom joins and should be left
alone.
9.1.6 Steering column ignition key
The next set of cables is for the steering column ignition key, this has two positions (the third sprung
connection is not used). Once wired as below the first position will power all ignition components except the
starter motor button which is energized in the second position, this is done so after starting your car in
position two the key can be returned to position one to isolate the starter button and stop the engine from
being cranked by accident while the engine is already running.
+12v output to starter button
9.1.7 Hazard warning lamps
The next four wires are for an optional hazard-warning
switch, there are generally two types of connections
for these. The majority of these switches, like the one supplied by Suffolk Sportscars will use the top four
wires below but some will need to intercept the input to the stalk for the flashers. The switch can be
mounted in its own plate if supplied or in the mounting “Z” bracket that can be supplied by Suffolk
Sportscars for fitting and auxiliary switches or sockets. This switch panel is mounted behind the wiper strap
using the same bolts and sticks out under the wiper motor. If not using Hazard warning lamps please
insulate these wires.
Red through fuse and flasher
relay
+12v permanent supply via flasher relay
-12v chassis earth for relay/switch warning lamp
Some switches need to intercept
+12v flasher input to stalk
9.1.8 Heater
Next in the loom are wires for the heater blower motor. There are different types of heater available of which
some have single speed fan and some have twin speed fan. If you have single speed fan connect the
Green/Yellow +12v feed to the live input. If you have a twin speed fan you have three options:
1) Choose which speed suits you best and only connect that wire.
2) Use a two-speed dash switch, at present no new switches are available to match SS100 pull switches.
3) Wire up a two-position changeover switch behind the dashboard, wiring details below, this way the dash
pull switch will turn on the fan and the speed set by the extra hidden switch.