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850R #15 fuse pops

Help, Advice and DIY Tutorials on Volvo's P80 platform cars -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, including 850 R, 850 T-5R, 850 T-5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

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jsmith2232
Posts: 1
Joined: 29 August 2015
Year and Model: 850R 1997
Location: NJ

850R #15 fuse pops

Post by jsmith2232 »

Hello, I have a problem with # 15 fuse ( interior light,OBD2 Central locking). The fuse pops instantly. I have tried isolating the circuit s. I have disconnected front driver and passenger door, cigarette lighter and dome harness. I installed a 25 amp fuse to see how long it would hold-2 seconds. I am at a loss. I searched for signs a mouse may have tried to make a home and I searched as best as possible for a broken/ nicked wire, has anyone else had this unfortunate issue?

I did replace the immobilizer relay because the car would not start. But this was done after this issue started.

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abscate
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Year and Model: 99: V70s S70s,05 V70
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Post by abscate »

If it is a wagon, the tailgate wires are a weak point after 20 years, and they will cause this exact problem. I experienced this last October. I'm not sure if the sedan suffers the same fate in the trunk
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1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 XC90-in-Red
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dyn blin
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Joined: 1 November 2015
Year and Model: 1997 850 Wgn
Location: Sonoma Co, CA
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Post by dyn blin »

I believe the visor lights are on the same circuit. I chased a popped fuse for a few weeks until I figured out the drive's side had chaffed within the hinge, knocking a fuse out immediately.

However, I would check abscate's suggestion of tailgate harness first.
'97 850 GLT Wagon- Driving to see 300k in the rearview

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