Posted: Wed Jun 13, 2018 6:07 pm Post subject: New headlight lenses required H7 or H4? Help
New to the world of 964(lovin it ), so I will probably be posting some daft questions so please bare with me!
Need new headlight lenses and my current ones have H7 on them(93 C4) but when looking I can only seem to find Bosch lettered with H4 on them, could someone please tell me what the difference is and can I just put the H4's on?
Any help would be appreciated _________________ ___________________________
Current
'96 993 C4S Iris Blue
'06 997 Turbo Blk/Blk Manual
Sold
'06 997 C4S Blk/Blk proper missed
'02 996 C4 Silver/Blk
maldren Suzuka
Joined: 07 Oct 2016 Posts: 1195
Posted: Wed Jun 13, 2018 7:47 pm Post subject:
The simplest answer is that H4 are combined dip and main beam in one bulb, H7 are single filament bulbs, one each for dip and main. _________________ Mike
2003 996.2 C2 Coupe Arctic Silver
Fatboy74 Silverstone
Joined: 19 Aug 2015 Posts: 122 Location: Suffolk
Posted: Wed Jun 13, 2018 8:50 pm Post subject:
Thanks Mike, so I take it the lenses have a different pattern on them due to bulb positions and I can't just swop over the lenses to H4 style?
And I also can't put H4 bulbs in as the wiring/socket will be different in my H7 headlights. _________________ ___________________________
Current
'96 993 C4S Iris Blue
'06 997 Turbo Blk/Blk Manual
Sold
'06 997 C4S Blk/Blk proper missed
'02 996 C4 Silver/Blk
Fatboy74 Silverstone
Joined: 19 Aug 2015 Posts: 122 Location: Suffolk
Posted: Wed Jun 13, 2018 9:13 pm Post subject:
Just remembered the lights have been changed to HID's and have a dual beam bulb so now I'm thinking H4 lenses would be right
My head hurts now _________________ ___________________________
Current
'96 993 C4S Iris Blue
'06 997 Turbo Blk/Blk Manual
Sold
'06 997 C4S Blk/Blk proper missed
'02 996 C4 Silver/Blk
maldren Suzuka
Joined: 07 Oct 2016 Posts: 1195
Posted: Thu Jun 14, 2018 7:34 am Post subject:
The bulbs are not interchangeable, their bases are different sizes and, of course, the H4 has an extra terminal (the flat blades) 3 rather than 2.
However, I'm not familiar with 964 light (mines a 996). You may find the lenses are the same. _________________ Mike
2003 996.2 C2 Coupe Arctic Silver
ras62 Hockenheim
Joined: 20 Jan 2012 Posts: 654 Location: Cheshire
Posted: Thu Jun 14, 2018 7:50 am Post subject:
The glass on all 64's are H4 but they come in RHD and LHD forms.
Fatboy74 Silverstone
Joined: 19 Aug 2015 Posts: 122 Location: Suffolk
Posted: Thu Jun 14, 2018 5:59 pm Post subject:
Thanks for the input guys👍 I think I've got my head around it now. _________________ ___________________________
Current
'96 993 C4S Iris Blue
'06 997 Turbo Blk/Blk Manual
Sold
'06 997 C4S Blk/Blk proper missed
'02 996 C4 Silver/Blk
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