getting a wire through the fire wall on 2004 outlander
 

Have a 2004 outlander and as it was factory converted to LPG it had no temperature gauge( used by Mitsubishi to show LPG level) so with change over problems petrol/lpg ,needed the engine temperature

fitted a new gauge.
Now have the problem of getting a wire from the sender in the engine compartment to the new instrument fitted by the side of the clock .
Know of any spare wires? or any ideas

Peter UK