No reverse lights and turn signals or hazards

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zupta82
Posts: 71
Joined: Sun Jan 06, 2019 6:01 pm
Year and Model: 1995 960
Location: Utica NY
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No reverse lights and turn signals or hazards

Post by zupta82 »

Hello, my 1995 Volvo 960 sedan has no reverse lights and turn signals or hazards on both sides it won’t even flash the arrows inside the car. I checked fuses,bulbs, I took apart my pnp switch and cleaned and greased it . I also checked the little blue box in the trunk for corrosion and even opened it to check the Pcb for corrosion. I’m thinking it might be the green box for the light relays under the steering column. I would greatly appreciate some help

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RickHaleParker
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Post by RickHaleParker »

1. Fuses 11A/3 &11C/19
2. The Over load relay.
3. Ignition switch
4. Associated wiring and connectors.

Fuses 11A/X are under the hood.
Fuses 11C/X is at the end of the dash.
The Over load relay is at the end of the dash fuse box. It is the relay on the top of the three relays.
1998 C70, B5234T3, 16T, AW50-42, Bosch Motronic 4.4, Special Edition package.
2003 S40, B4204T3, 14T twin scroll AW55-50/51SN, Siemens EMS 2000.
2004 S60R, B8444S TF80 AWD. Yamaha V8 conversion
2005 XC90 T6 Executive, B6294T, 4T65 AWD, Bosch Motronic 7.0.

zupta82
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Year and Model: 1995 960
Location: Utica NY
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Post by zupta82 »

I went ahead and looked for the overload relay but could not find one. All I found was a power supply A and power supply B. I also checked the big 50A fuses under the hood and I noticed that my radio does not turn on as well. I checked for voltage across the fuse labeled (cruise,backup lights and turn signal) and no voltage was present. I am thinking it is a bad ground to one of the many modules that Volvo’s seem to have. I can’t find any really good schematics anywhere. I’m not really good with electronics

zupta82
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Post by zupta82 »

I went back and found the wiring harness on the hazard switch completely off. My signals are working again, also I took apart the ignition switch and cleaned it with deoxit contact cleaner. I checked for for voltage at the power wire at the radio and no power is getting to it. I really don’t know where to go next
Thank You!

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RickHaleParker
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Post by RickHaleParker »

Radio fuses 11A/2, 11C/9, 11C/17 & 11C/15.
The second overload relay 2/30.

11A/X under hood. 11C/X end of dash driver's side.

2/6 & 2/30 are the overload relays.
2020-03-12.png
1998 C70, B5234T3, 16T, AW50-42, Bosch Motronic 4.4, Special Edition package.
2003 S40, B4204T3, 14T twin scroll AW55-50/51SN, Siemens EMS 2000.
2004 S60R, B8444S TF80 AWD. Yamaha V8 conversion
2005 XC90 T6 Executive, B6294T, 4T65 AWD, Bosch Motronic 7.0.

zupta82
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Year and Model: 1995 960
Location: Utica NY
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Post by zupta82 »

My reverse lights are still not working, I wonder if they are somehow connected to my radio not working

zupta82
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Year and Model: 1995 960
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Post by zupta82 »

All I can think of is could the pnp switch may really be bad. Let me explain, about 5 years ago the switch acted up where the flashing arrow would come on and be stuck in some kind of limp mode. I bought some replacement contact copper tabs. This repair worked great until just recently. I wonder if the switch could not be adjusted right, I guess it’s adjusted right if the car starts??

lummert
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Post by lummert »

The main headlamp relay can cause strange issues. This is the rectangular relay on the relay panel on the passenger side behind the radio console on my 1988 Volvo 760 Turbo. As far as I know this relay carried over to at least the 1992-94 960.
1988 Volvo 760 Turbo Wagon

dm635
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Post by dm635 »

Sorry, can't be of much help.
But to me the #1 issue for anyone considering a 960 is electrical. I'LL suggest that every (EVERY) electrical function as designed. No faults.

I'm on my 4th 960 over quite a few years. NO electrical in either until about 1 year ago in this one I've driven around 6 years.


Even though the 1st 4 or 5 years relatively trouble free it's all caught up on this on this one. All things I really didn't feel like doing.
Engine,
Transmission,
Heater core,
Electrical,
Even removing the entire IRS chunk for a clean spotless exhaust from header pipe to tip. Had to get complete and intact like the hump over the axle. An extraordinary amount of thought went into that decision, But my exhaust had a split and leak I couldn't silence. Seems worth it now as it's still perfect front to back.

Any more major repairs I'll have to keep this
'96 964. The only thing that would have me consider is a 960 Wagon.

Of all the bricks I've owned they've been wagons or Coupe's.
Cept for 2 964's. 4 door sedans.

The 960 is a very complicated expensive vehicle if neglected and run down. In my opinion it's the very best of the last RWD Volvos. Been through quite a few over the last 23+ years. I do love me a turbo.
96-964
91'745

86-635CSi 215K



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zupta82
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Joined: Sun Jan 06, 2019 6:01 pm
Year and Model: 1995 960
Location: Utica NY
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Post by zupta82 »

Well I looked for the main headlamp relay on the passengers side and couldn’t find one. There was a red wiper relay. I’m thinking it’s the pnp switch itself maybe the copper rails where the spring contact tabs rub on are just worn down. I tried rotating the pnp pie slice back and forth with someone looking at the lights and they won’t come on. The bulb sockets are getting a good ground I verified near zero ohms to ground.

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