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#6 Fuse Keeps Blowing car won't start 98 a70 Help

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

1992 - 1997 850, 850 R, 850 T5-R, 850 T5, 850 GLT
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Kprixie
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Re: #6 Fuse Keeps Blowing car won't start 98 a70 Help

Post by Kprixie » Sat Aug 18, 2018 11:41 pm

Ok so I did that and now the fuse stopped blowing and that's great but now the car won't turn over its vtrying to start Wich it wasn't doing when the fuse was blown but now I can't get it to start I thought maybe cause. It was sitting for two weeks I put more gas in and tried to jump it (even though all the windows were working radio etc) thought what the hell anyway what now anyone have an idea I really am getting frustrated

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Re: #6 Fuse Keeps Blowing car won't start 98 a70 Help

Post by abscate » Sun Aug 19, 2018 12:47 am

So now it’s turning over well and cranking but not firing?

We have to sort out it it isn’t getting fuel or ignition. Can you get some starting fluid, or ether, and put a 2 second shot into the air cleaner and see if you get some firing?

A less reliable way is to just check for a good squirt of gas from the valve on the rail, into a rag. I’ll try to find pictures for you.

Check for spark....pull the center wire of the distributor (looks like a fat beer Can size thing with 6 wires coming off the end and use a clothespin to hold it close to. ( about 1/8 inch) a metal part of motor. One of the kids cranks the engine, you Look for a fat blue spark of happiness
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Re: #6 Fuse Keeps Blowing car won't start 98 a70 Help

Post by RickHaleParker » Sun Aug 19, 2018 2:08 am

Ok so I did that and now the fuse stopped blowing

Define "that" .....
Platform: P80 1998 C70, B5234T3, 16T, AW50-42, Bosch Motronic 4.4, Special Edition package, Plant: Uddevalla Sweden.

Platform: X40 (Nedcar) 2003 S40, B4204T3, 14T twin scroll AW55-50/51SN, Siemens EMS 2000. Plant: Born Netherlands.

Platform P2 2005 XC90 T6 Executive, B6294T, 4T65 AWD, Bosch Motronic 7.0,
Plant Torslanda Sweden.
----------------------------------------------------------------
1997 S90, B6304S, AW30-42, Bosch Motronic 4.4 - Sold

Kprixie
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Re: #6 Fuse Keeps Blowing car won't start 98 a70 Help

Post by Kprixie » Sun Aug 19, 2018 9:40 am

I took out the three fuses associated with the central locking one by one untill #6 stopped blowing

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Re: #6 Fuse Keeps Blowing car won't start 98 a70 Help

Post by RickHaleParker » Sun Aug 19, 2018 11:55 am

I took out the three fuses associated with the central locking one by one untill #6 stopped blowing

I'll try this one more time ... Pulling which of the three fuses stopped #6 from blowing?
Platform: P80 1998 C70, B5234T3, 16T, AW50-42, Bosch Motronic 4.4, Special Edition package, Plant: Uddevalla Sweden.

Platform: X40 (Nedcar) 2003 S40, B4204T3, 14T twin scroll AW55-50/51SN, Siemens EMS 2000. Plant: Born Netherlands.

Platform P2 2005 XC90 T6 Executive, B6294T, 4T65 AWD, Bosch Motronic 7.0,
Plant Torslanda Sweden.
----------------------------------------------------------------
1997 S90, B6304S, AW30-42, Bosch Motronic 4.4 - Sold

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Re: #6 Fuse Keeps Blowing car won't start 98 a70 Help

Post by Kprixie » Sun Aug 19, 2018 11:59 am

3

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Re: #6 Fuse Keeps Blowing car won't start 98 a70 Help

Post by dj_v70 » Sun Aug 19, 2018 7:20 pm

As per RickHaleParker the 3rd fuse is "11C/10 Ignition switch". Is this the one that you have to remove to get fuse 6 to stop burning out? If so, that is likely why the car won't start. You can leave central locking fuses out without affecting starting, but you likely need all ignition switch signals for your car to start. You need to find the short associated with this fuse and fix it. To start with, post the wiring diagrams associated with this fuse if you would like additional help (look under ignition and fuel delivery section and find diagrams that use this fuse)

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Re: #6 Fuse Keeps Blowing car won't start 98 a70 Help

Post by Kprixie » Sun Aug 19, 2018 8:01 pm

All the fuses are in. The car

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Re: #6 Fuse Keeps Blowing car won't start 98 a70 Help

Post by abscate » Mon Aug 20, 2018 3:50 am

The ignition switch electrical part often fails on time and miles on these cars. It’s an easy three bolt removal and replacement if you can risk $50on a part that will likely fail soon.
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