Wiring Query

Wiring Query

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Discussion

DaveG

Original Poster:

111 posts

264 months

Tuesday 29th June 2021
quotequote all
I have collected all the parts necessary to install a new air-con system and have now started by examining the required electrical connections. Under where the compressor will sit is a major part of the loom, but I seem to have a relay wired in which is confusing me! See the snapshots of the relay and socket part of a 2 pin round connector.
The Bosch relay Normally Open contacts sit between the Brake Fluid sensor and what appears to be Earth via the 2 pin connector. The relay winding connections (85/86) are sourced by a green wire running down under the engine (Need to investigate). See Diag. When the ignition is turned on there is 12.3 V on pin 87 - the Fluid Level and no volts on other pins!
Can anyone make sense of the circuit? Does anyone recognise the 2 pin socket?

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Penelope Stopit

11,209 posts

116 months

Tuesday 29th June 2021
quotequote all
Somebody has been tinkering and added that relay

Possibly for a low fluid warning device

Bin it