33mike

Hi there can anyone help, firstly I know this type of request has gone around the block many times so not trying to bore the pants of you, Seriously seeking advice on my sons Escort. "R" reg. Hatchback. 1.6 Zetec engine with air conditioning and 1 one radiator cooling fan.

1. The electric radiator cooling fan 'does not' cut in when engine is hot.
2. But same fan cuts in and out when air conditioning is switched on ?
3. Have read through ' Haynes manual until my eyes have turned square also
the in car user's manual regarding " fuse & relay numbers " One contradicts
the other.
4. The Haynes manual shows 2 two very poor wiring diagrams of the cooling
Fan controls. One showing cooling fan with no relay and the second one
with a relay.

Actions taken so far.

5. Checked all fuses and all ok.
6. Checked both engine water temp. sender units one fitted on top of the
thermostat housing and the other one on the top of the radiator hose.
one 2 pin and the other 4 pin, tested ok for continuity and resistance.
7. Linked out sender unit on 2 of 4 pins. fan runs ok.
8. Engine water temp. gauge working ok. from engine block sender unit.
9. Heavy duty auxiliary fuses fitted aft of the engine bay 4 off all ok.
10.Relay box adjacent to fuse compartment under drivers consul shows no
relay for cooling fan.

All ideas gratefully received.

Regards,
Mike


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