20 Most Recent 1994 Volvo 940 Questions & Answers

check the existing wiring see where it goes through the firewall from boot to back seat . use a coat hanger wire or a long thick cable tie to guide antenna cable through . Tape cable to guide and then gently pull it through.

run the fault codes indicates a cat converter problem coupled with injector problems

dim lights are generally bad ground / rusty -loose ground points or wires

Hi Steve, you're so close to the answer already. The feed wire is broken and sometimes it touches and sometimes not. It might just be the fitting on the end if you're lucky. I'd replace the whole wire just to be sure ;)

If these are the gas tube style supports, there is a metal half moon clip on either end that has to be pryed back to release and removed to pull the tube off the most that it connects to.

make sure that you have the right item as relays are plug in from the top of the panel

Hi,sometimes this can be becouse the filter and transmition fluid need changed,people tend to ignore this area but its just as importent as changing the engine oil and filter,also there is a additive you can use that helps to make things run better inside the transmition its cald,(xado)you can find this on ebay,I drive a mercedes and always use this product it dose work. I hope this was some help,and just to say I dont sell or make any money from these people who sell xado I just know that it works,all the best.

Check the speakers connection and that should give you at least 8 of the colors. The ones left then are going to be ground and power and display power. You can figure those out with a meter.

1994 Volvo 940 Car Audio Wire Diagram
Car Radio Battery Constant 12v+ Wire: Yellow
Car Radio Accessory Switched 12v+ Wire: Red
Car Radio Ground Wire: Black
Car Radio Illumination Wire: Light Orange
Car Stereo Dimmer Wire: N/A
Car Stereo Antenna Trigger Wire: N/A
Car Stereo Amp Trigger Wire: N/A
Car Stereo Amplifier Location: N/A
Car Audio Front Speakers Size: 5 1/4′
Car Audio Front Speakers Location: Doors
Left Front Speaker Positive Wire (+): Blue/Yellow
Left Front Speaker Negative Wire (-): White
Right Front Speaker Positive Wire (+): Gray/White
Right Front Speaker Negative Wire (-): Gray
Car Audio Rear Speakers Size: 6′ x 9′
Car Audio Rear Speakers Location: Rear Deck
Left Rear Speaker Positive Wire (+): Yellow/Brown
Left Rear Speaker Negative Wire (-): Yellow/Green
Right Rear Speaker Positive Wire (+): Green/Brown
Right Rear Speaker Negative Wire (-): Green

Hope helps (remember rated this) TY for use Fixya.

check the fuse .and all of the bulbs are working.if ok then change the brake switch.

The speeds are controlled by a resistor pack. Changing the resistor pack may restore full functionality. Volvo heater fans are notorious for squealing. Usually they are run at a speed that doesn't squeal. If it squeals at one speed, sometimes a different speed won't squeal. The resistors seem to eventually fail. They are fairly cheap to replace.

It's under the the hood not inside the car as usual

Under the hood passenger side can't miss it

Check fuel pump I usually tap on it

Either in the footwell under by the pedals or the passenger side under tby the door.