Connector/Wiring - Noise Explainations

90volvo09
MODEL GROUP NUMBER

740/760 30 701

TITLE

CONNECTOR/WIRING NOISE


740, 760


MARKET DATE

US and Canada December 1990
REFERENCE: NONE

Noise From Loose Connectors or Wiring

The following action should be taken in the event of noise complaints caused by loose connectors or wiring.

Note: These conditions have been corrected in production as of model year 1991.
CAUSE ACTION

ECC solar sensor connector may be in contact with Remove glove compartment. Isolate connector
air duct or instrument panel, causing rattling. with piece of foam rubber. Re-install glove com-

Connector is located underneath instrument panel partment.

on passenger side. Applies to 740 and 760.


ECC connector at mixing chamber may cause Remove soundproofing panel on passenger side.

rattling. Connector leads are secured with cable tie. Secure
Applies to 760 only. connector to adjoining wiring with tie. Reinstall
soundproofing panel.


Speaker connectors under instrument panel on Remove speaker grilles on both sides. Lift out

right and/or left side may cause rattling. speakers.
Applies to 760 only. Isolate connectors with foam rubber.
Reinstall speakers and grilles.
CAUSE ACTION

Tailgate wiper/washer switch connector behind Connector leads are secured by cable tie. Secure
steering wheel cover can rattle. connector to adjoining wiring with tie.
Applies to 745/765.


Cruise control switch may occasionally vibrate in Replace switch.
stalk.

Applies to 760 only.


Roof light wiring may rattle against roof liner. Loosen front edge of roof liner sufficiently to gain
Applies to 740 and 760. access to light.

Tape wiring with about six pieces of tape, p/n 3537385-1, evenly spaced. Reinstall roof liner.


Front and rear doors are prepared for speaker in- Secure connector by taping.
stallation. If speakers are not fitted, connector may rattle.

Applies to 740 and 760.


Electric door mirror connector may rattle if electric
Secure connector (not just lead) with cable tie.
mirror is not installed. Applies to 740.


High-level brake light connector at lower left cor- Secure connector (not just lead) with cable tie.
ner of tailgate may rattle. Applies to 745 and 765.


Tailgate wiring generally may rattle.
Secure, as required, with butyl tape.
Applies to 745 and 765.


Lead between tailgate and body may squeak when Adjust lead to clear edge strip.
tailgate is opened. Applies to 745 and 765.


Speedometer seal box may rattle against body.
Secure box with butyl tape. Tape both box and
Applies to 740.
wiring position.