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DELOREAN WORKSHOP MANUAL - Free

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N:09:04 Heating and Air Conditioning<br />

Continue<br />

OFF ALL TIMES<br />

Check compressor hot lead<br />

wire with test light or place<br />

jumper wire from<br />

compressor to positive ( +)<br />

terminal of battery.<br />

T<br />

ENGAGED<br />

I<br />

Check for blown<br />

main fuse.<br />

T<br />

FUSE<br />

O.K.<br />

I<br />

Check the following for<br />

open circuits:<br />

Low pressure switch<br />

High pressure switch<br />

T<br />

O.K.<br />

_L<br />

Check low charge<br />

pressure switch for<br />

open circuit.<br />

T OPEN<br />

I<br />

Check refrigerant<br />

pressure at high side<br />

service fitting.<br />

T<br />

ABOVE<br />

1<br />

50 PSIG<br />

Jump pressure switch, and<br />

compressor runs. Defective<br />

switch. Leak check system<br />

and replace switch.<br />

Evacuate and re-charge.<br />

NOT ENGAGED<br />

FUSE BLOWN<br />

OPEN<br />

CLOSED,<br />

OR O.K.<br />

BELOW<br />

50PSIG<br />

AT60°F<br />

Replace defective<br />

part.<br />

Low charge. Leak<br />

test and repair.<br />

Evacuate and<br />

re-charge.<br />

Apply external ground<br />

to compressor. If<br />

clutch is still not<br />

engaged, remove<br />

clutch and repair.<br />

Look for broken wire or<br />

loose connection in clutch<br />

circuit. Repair as necessary<br />

— Wiring Diagram.<br />

Fig. 62<br />

F' |<br />

) s "'\<br />

f- r :i

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