Quote:
Originally Posted by Alec300SD
Confusing FSM terminology!!
Overflow relief valve = switchover valve = ALDA overboost switch.
Usually located on the DS bulkhead , follow the boost sense line from the intake manifold.
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The boost sensor wire goes through the same loom that houses the glow box to glow plug wires. On my car it goes on connector 153 mounted on the front side of the diagnostic plug mount. From there it goes into the loom which travels through the bottom of the fuse box beneath the fuse bus.