The 126 sensor was in the dash, similar to the 123's, until about '85 or '86 when it moved to the dome light. When the sensor moved to the dome light, the tube changed from foam to something similar to agricultural drip line.

__________________
Mike Tangas
'73 280SEL 4.5 (9/72)- RIP
Only 8,173 units built from 5/71 thru 11/72

'02 CLK320 Cabriolet - wifey's mid-life crisis

2012 VW Jetta Sportwagon TDI...at least its a diesel

Non illegitemae carborundum.