Husqvarna TC 250 2010 Workshop Manual page 393

Relay test (TE - TXC)
Remove saddle and fuel tank as described in "Section E". Remove the relays
(1) located on the R.H. side of the chassis.
A: Set the meter to the "Impedance" scale and check the energiser coil for
proper operation. Reading should be: 80 Ohm (+/- 10%) at 20 °C.
B: Set the meter to "Continuity" mode and check the circuit is open.
C: Feed the coil from a power supply unit with stable 12V output and make sure
that the circuit closes.
Part. N. 8000 H0368 (10-2009)
FUEL INJECTION SYSTEM
S.7