Very faint injector (noid light) signal

[BobPhx (Bob Brackney - 89 XJS V12, 5 sp/Marelli | 2013 XKR)]

Hi Mark-
Its probably the crank or speed sensor. Testing with an ohm meter is not definitive. See my post (it’s about #14) on this thread for my thoughts.

1991 Classic Collection- won't start

It reads off of the flexplate teeth that the starter uses. Technically it is the Engine Speed Sensor. You can see the loom that goes to it in this picture, by the oil filter. The other end is a plug, up behind the left side cam cover. [image] This is sort of spelled out above, but to be clear: There are two sensors. The CPS or Crank Position Sensor and the “flywheel sensor” or Engine Speed Sensor. They are both the same part number and are interchangeable. Either one will cause a “crank…

regards
Bob