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high beam lights wont dim

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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kathy hambly
Posts: 2
Joined: 14 February 2017
Year and Model: 1998 s70 t5 sf
Location: bentley alberta canada

high beam lights wont dim

Post by kathy hambly »

i have a 1998 s70 sedan the hi beam lights wont dim.We changed signal/dimmer switch no change, all bulbs good has anyone had this issue

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rspi
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Year and Model: 850 T-5R Wagon
Location: Cincinnati OH
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Post by rspi »

Probably a short inside the light assembly. Open the cap on the back of the light and check the wires in there.
'95 855 T-5R M, Panther - 22/28 mpg, 546,000 miles
'95 955 T-5R Yellow Wagon, Lemonade, 180,000 miles
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sleddriver
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Year and Model: 1998 V70 T5
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Post by sleddriver »

So the high beams won't turn off? They're controlled by a relay so if they're "stuck on", I would think the relay is faulty.
1998 V70 T5 226,808 miles. Original Owner.
M1 10W-30 HM

kathy hambly
Posts: 2
Joined: 14 February 2017
Year and Model: 1998 s70 t5 sf
Location: bentley alberta canada

Post by kathy hambly »

i disconnected front head lights high beam indicater still on in dash . high beams com on with ignition switch. opened head lamp double type relay rear coil is activated isolated it, high beams off. is there a step relay or something that activates high beam in main relay

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