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SS100 Build Manual (Export Edition)
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, Fit into front underside of inlet manifold using the supplied adaptor and some
PTFE tape on all threads to help sealing.
Note: the adaptor is slightly different at each end and needs to be fitted correctly, if unsure please
talk to Suffolk Sportscars before fitting as thread can be damaged by fitting incorrectly.
9.1.15 Instrument illumination
On the wiring loom in this area and all along the dashboard are pairs Red/White and Black cables for
instrument illumination, and supplied with the instrument kit are eight Led backlights, one for each of the
small instruments and two for each of the speedometer and tachometer.
Led backlights need to wired the correct way around to work but will not be damaged if incorrect, if you
have any that don't work remove the Led from the holder and rotate 180 degrees before refitting and testing.
Illumination Led
Red or sometimes Black
Black
Also in this area of the dashboard are groups of Red/Whites, Blacks and Browns, these are standard wiring
loom joins and should be left alone.
9.1.16 Ammeter
The next gauge to fit is the ammeter, test fit this gauge first and check for clearance between the gauge
connections and the wiper wheel box. If the space is tight the gauge terminals can be very gently splayed
being careful as gauge body is plastic and/or you can shield the wiper wheel box with rubber or similar to
insulate it.
Ammeter
Left terminal viewed from behind
Right terminal viewed from
behind
9.1.17 Headlamp switch
Next is to wire up the headlamp switch, this should be labeled for ease of wiring. Some switches are three
position some are four, the later is the same just don't use the forth position.
To fit the switch, start by removing the control lever (there is a small spring loaded spring in the side of the
lever) and then the three M4 nuts and washers holding the switch to the mount plate, the switch can then be
removed off the mount plate.
Remove the centre nut and the threaded bezel from the mount plate, pass the threaded bezel through the
dashboard before refitting the star washer (this is to lock the plate to the rear of the dashboard), mount plate
and nut followed by the switch. Fit the switch lever and adjust the M4 nuts each side of the switch to level
the switch and bring the lever close but not rubbing on the bezel.
Switch positions
Terminal 5
Terminal 3
Terminal 7
Loom wires
Power
Red/White
+12v illumination feed from fuse box
Black
-12v chassis earth
Loom wires
Brown (single)
Brown (pair, white tape)
Loom wires
Brown
Red
Blue
Page 55
Rev 10 November 2013
Power
+12v live from main fuse
+12v to dash electrics
Power
+12v live from ammeter
+12v feed to side lamps fuses
+12v feed to headlamp stalk switch
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