My coolant temp gauge is acting erratically. I want to install a another gauge but don't know where the temp sender can be installed. 1989 190D OM602

Thanks

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1989 Arctic White 190D 2.5l auto w/400E Brakes and a 5spd waiting for me to install

1977 280SL Euro M110/w 4spd

2001 Dodge Ram 2500 Quad cab 4x4
dyno 383hp / 916ft#'s

There are several plugs along the intake side of a 601 head. One it used by the temp gauge, one is used by the fuel thermostat if so equiped. It's only as difficult as accessing a plug.

You can try one of these if the upper radiator hose is long enough -



The OE looking one is out of an S13 240SX if I understand the article.

Sixto
87 300D