OttoStart Installation Instructions.
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Thread: OttoStart Installation Instructions.

  1. #1
    Cunning Linguist Site Supporter tekenaar's Avatar
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    ExclamationOttoStart Installation Instructions.

    Though I send these with every unit, some have lost them over time, so it's worth a post here:



    . . . and the original OttoStart (different color wires):
    Attached Images Attached Images
    Last edited by tekenaar; 01-21-2008 at 04:11 PM.


    1960: '61 Rekord PII 1.7 3S 3.9 '69 Kadett LS 'sprint' 1.9 3A 3.18
    1970: '70 GT 1.9 4S 3.44 '72 GT 2.2SSD 5S 3.44 '72 GT 2.4FI 5S 3.44P
    1970: '73 GT 1.9FI 4S 3.44 '75 1900 1.9FI 4S 3.44
    1980: '85 Bitter SC 3.9FI 5S 3.44P
    2000: '09 Solstice GXP Coupe 2.0 SIDI VVT "Stage 2" Turbo 5S 3.73P


    "De inimico non tantum loquaris male, sed cogites."

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    PrOpeller PROPEL's Avatar
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    Otto, if one were to wire this unit to a 1.1L starter, what would be the correct hookup? I think the two terminals are labeled 30 and 50.

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    Cunning Linguist Site Supporter tekenaar's Avatar
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    Arrow

    Quote Originally Posted by PROPEL
    Otto, if one were to wire this unit to a 1.1L starter, what would be the correct hookup? I think the two terminals are labeled 30 and 50.
    They're both wired identically . . . 30 is the fat cable from the battery and is always on when the battery is connected, 50 is the "start" terminal of the ignition switch and is only powered during starting of the engine. This is the wire you remove from the solenoid male spade lug and connect to the orange OttoStart wire with the male spade lug.


    1960: '61 Rekord PII 1.7 3S 3.9 '69 Kadett LS 'sprint' 1.9 3A 3.18
    1970: '70 GT 1.9 4S 3.44 '72 GT 2.2SSD 5S 3.44 '72 GT 2.4FI 5S 3.44P
    1970: '73 GT 1.9FI 4S 3.44 '75 1900 1.9FI 4S 3.44
    1980: '85 Bitter SC 3.9FI 5S 3.44P
    2000: '09 Solstice GXP Coupe 2.0 SIDI VVT "Stage 2" Turbo 5S 3.73P


    "De inimico non tantum loquaris male, sed cogites."

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    Moderator jordan's Avatar
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    The instructions only account for 3 wires, what about the short orange wire?
    1970 Opel GT 1.9
    1980 Moto Guzzi V50
    2000 Saab 9-3 2.0 turbo
    2000 KTM 200 exc STOLEN

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    Cunning Linguist Site Supporter tekenaar's Avatar
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    QuestionHmmmmm . . .

    Quote Originally Posted by jordan
    The instructions only account for 3 wires, what about the short orange wire?
    You're supposed to leave that on the relay mounting screw, AS PACKAGED, with the rubber band holding it in place! When you mount the relay, as instructed in Step 2, it becomes the relay coil ground. You will not be able to start engine without this connection in place.

    Nowhere does it say to remove the short orange wire from from the relay mounting screw before mounting the relay! Guess instructions weren't as foolproof as I thought.


    1960: '61 Rekord PII 1.7 3S 3.9 '69 Kadett LS 'sprint' 1.9 3A 3.18
    1970: '70 GT 1.9 4S 3.44 '72 GT 2.2SSD 5S 3.44 '72 GT 2.4FI 5S 3.44P
    1970: '73 GT 1.9FI 4S 3.44 '75 1900 1.9FI 4S 3.44
    1980: '85 Bitter SC 3.9FI 5S 3.44P
    2000: '09 Solstice GXP Coupe 2.0 SIDI VVT "Stage 2" Turbo 5S 3.73P


    "De inimico non tantum loquaris male, sed cogites."

  8. #6
    Moderator jordan's Avatar
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    I bought the relay from another member on the board, and the screw was missing.
    1970 Opel GT 1.9
    1980 Moto Guzzi V50
    2000 Saab 9-3 2.0 turbo
    2000 KTM 200 exc STOLEN

  9. #7
    Cunning Linguist Site Supporter tekenaar's Avatar
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    Quote Originally Posted by jordan
    I bought the relay from another member on the board, and the screw was missing.
    Aah Sooo, Grasshopper . . . well now at least you know.


    1960: '61 Rekord PII 1.7 3S 3.9 '69 Kadett LS 'sprint' 1.9 3A 3.18
    1970: '70 GT 1.9 4S 3.44 '72 GT 2.2SSD 5S 3.44 '72 GT 2.4FI 5S 3.44P
    1970: '73 GT 1.9FI 4S 3.44 '75 1900 1.9FI 4S 3.44
    1980: '85 Bitter SC 3.9FI 5S 3.44P
    2000: '09 Solstice GXP Coupe 2.0 SIDI VVT "Stage 2" Turbo 5S 3.73P


    "De inimico non tantum loquaris male, sed cogites."

  10. #8
    GT Owner, Ascona Mechanic lkyrog's Avatar
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    Installed Ottostart today, took me all of 10 Minutes. Works good, scratch this off my "upgrades needed" list.
    Thanks tekenaar.
    Life is shorter than you think...Live!

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    1000 Post Club baronbors's Avatar
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    Quote Originally Posted by lkyrog
    Installed Ottostart today, took me all of 10 Minutes. Works good, scratch this off my "upgrades needed" list.
    Thanks tekenaar.
    10 minutes- What took you so long? 4min 25 sec start to finish. Thanks for the fast ship Otto. But my question is- How do I know that this thing is working? Everything seems the same engine starts, gauges work, no difference than before. HOW do I know???????

    Texas Opel Preservation Society

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    Tom, IIRC, you took the wire off the starter solenoid and ran it to the relay, then the wire from the relay went to the starter solenoid. If the engine starts, it's working. HTH.




  13. #11
    Cunning Linguist Site Supporter tekenaar's Avatar
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    Red faceThought I did this . . .

    I thought I'd transferred my 'OttoStart' schematic from 'classicopels' on Yahoo! to this site when I signed up here . . . I 'Search'ed, couldn't find it here.

    Since this has never been a 'secret', here it is . . . again:



    1960: '61 Rekord PII 1.7 3S 3.9 '69 Kadett LS 'sprint' 1.9 3A 3.18
    1970: '70 GT 1.9 4S 3.44 '72 GT 2.2SSD 5S 3.44 '72 GT 2.4FI 5S 3.44P
    1970: '73 GT 1.9FI 4S 3.44 '75 1900 1.9FI 4S 3.44
    1980: '85 Bitter SC 3.9FI 5S 3.44P
    2000: '09 Solstice GXP Coupe 2.0 SIDI VVT "Stage 2" Turbo 5S 3.73P


    "De inimico non tantum loquaris male, sed cogites."

  14. #12
    Sick with Opelitus broszzy's Avatar
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    Do you still need the relay if you have a push button start? My guess is yes but just want to make sure.

    Thanks Pat

  15. #13
    Opeler jvandyke's Avatar
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    Quote Originally Posted by broszzy View Post
    Do you still need the relay if you have a push button start? My guess is yes but just want to make sure.

    Thanks Pat
    Since the main reason for the relay is to save the ignition, the horses are out of the barn already since it's already failed. Might make the push button last longer.
    "Being ignorant is not so much a shame, as being unwilling to learn." Benjamin Franklin

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    Opel Intern Swiftus's Avatar
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    So the Otto Start is 30 amps right? What if I would like to have a 100 amp alternator? Am I in danger of cooking the Otto Start?
    1973 GT
    2019 Hyundai Ioniq

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    Senior Contributor GoldGT's Avatar
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    Quote Originally Posted by Redskinsjbs View Post
    So the Otto Start is 30 amps right? What if I would like to have a 100 amp alternator? Am I in danger of cooking the Otto Start?
    No, the relay will only see what the starter draws, not more, you could have a 1000 amp alt. and it would not matter.

    Plus the alt. isn't putting out anyway when cranking, the battery is supplying the power.
    Jeff

    '73 GT,5spd,Recaro,EDIS4 2.2 EFI MegaSqrt, Ali Flywhl w/S10 Clutch, Elec Fan, Roller Rockers, Venolia Pistons, 6 Cyl Intake w/ Custom Injection, 15" Wheels,F&R Sway Bars,2" Exhaust,1" Sport Spring,Koni Reds,Wilwood Brks,3:90 Gears & Gripper LSD,Rear Disks,Ali Radiator,Hse of Colors - Kandy Pagan Gold.
    123 WHP @ 6800 RPM

    www.markandson.net

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    Opel Intern Swiftus's Avatar
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    Quote Originally Posted by markandson View Post
    No, the relay will only see what the starter draws, not more, you could have a 1000 amp alt. and it would not matter.

    Plus the alt. isn't putting out anyway when cranking, the battery is supplying the power.
    DOH! I should know that the alt. doesn't work if the engine isn't on! Thanks for the simple explanation; I should be able to do electrics, I built an FDM machine for Pete's sake. Oh I wonder where my brain is sometimes.
    1973 GT
    2019 Hyundai Ioniq

  19. #17
    Cunning Linguist Site Supporter tekenaar's Avatar
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    ExclamationNot exactly, guys . . .

    Quote Originally Posted by Redskinsjbs View Post
    Quote Originally Posted by markandson View Post
    Quote Originally Posted by Redskinsjbs View Post
    So the Otto Start is 30 amps right? What if I would like to have a 100 amp alternator? Am I in danger of cooking the Otto Start?
    No, the relay will only see what the starter draws, not more, you could have a 1000 amp alt. and it would not matter.

    Plus the alt. isn't putting out anyway when cranking, the battery is supplying the power.
    DOH! I should know that the alt. doesn't work if the engine isn't on! Thanks for the simple explanation; I should be able to do electrics, I built an FDM machine for Pete's sake. Oh I wonder where my brain is sometimes.
    . . . firstly, the OttoStart relay !CONTACTS! are rated at 30/40 amps, the relay coil only "draws" a few milliamps from the ignition switch "Start" contacts! Greatly reducing the ignition switch "Start" contacts' current is the whole purpose behind the OttoStart design in the first place.

    Secondly, the OttoStart contacts, which actually have that 30/40 amps rating, actually only "see/draw" the starter solenoid coil's pick/hold current, not the starter current itself! The starter current is only "seen/drawn" at the starter solenoid contacts inside the solenoid, OK?!
    Last edited by tekenaar; 01-16-2009 at 12:37 PM.


    1960: '61 Rekord PII 1.7 3S 3.9 '69 Kadett LS 'sprint' 1.9 3A 3.18
    1970: '70 GT 1.9 4S 3.44 '72 GT 2.2SSD 5S 3.44 '72 GT 2.4FI 5S 3.44P
    1970: '73 GT 1.9FI 4S 3.44 '75 1900 1.9FI 4S 3.44
    1980: '85 Bitter SC 3.9FI 5S 3.44P
    2000: '09 Solstice GXP Coupe 2.0 SIDI VVT "Stage 2" Turbo 5S 3.73P


    "De inimico non tantum loquaris male, sed cogites."

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    GTMan nyackanich's Avatar
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    where can I get an Otto Start relay?

    I just replaced my starter switch with a new switch from OGTS. How do I go about ordering an "Otto Start": relay? I figure it's better to be safe than sorry - even though I have the new starter switch now.

  21. #19
    Hoosier Opeler Site Supporter rrossjr's Avatar
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    Quote Originally Posted by nyackanich View Post
    ... I figure it's better to be safe than sorry - even though I have the new starter switch now.
    Good idea! Otto usually has a listing in the classifieds on this site, but I didn't see his ad when I checked just now. You can always send him a PM (tekenaar)
    Cheers,
    Ron in Indy

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    Bikini Inspector Frozen Tundra GT's Avatar
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    Quote Originally Posted by tekenaar View Post
    Though I send these with every unit, some have lost them over time, so it's worth a post here:



    . . . and the original OttoStart (different color wires):
    I made my own relay years ago, but just noticed this while looking for wiring diagram for relay....

    In his recipe, Otto has a starter kill diode wired across relay coil?

    what is this and why should I do it???

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