diesel jumpstart question - The 1947 - Present Chevrolet & GMC Truck Message Board Network

hitcher · 09-05-2010, 12:28 AM

my ride on lawn mower is having some starting issues so ive been going redneck style and jump starting it with my 85 truck (gas) . however today i was jumping it with my 88 6.2 diesel and got absolutly nothing . both batterys on the truck are new and i have no problems starting the truck every day . i was jumping off the battery that isnt connected directly to the starter motor . i left the truck running for a good 5 minutes but the mower didnt wanna know . put my 85 gas truck on the mower which i hardly use and the mower started up right away . so what the heck is going on with jumping from the diesel ?????? .

thanks

gchemist · 09-05-2010, 12:50 AM

Diesel trucks are wired in series. Gas trucks are different.

hitcher · 09-05-2010, 12:52 AM

Quote:

Originally Posted by gchemist

Diesel trucks are wired in series. Gas trucks are different.

so should i have jumped off the battery the starter motor is connected to ?

**Corts60** · 09-05-2010, 12:56 AM

That's crazy. I would like to know the answer to this as well.

hitcher · 09-05-2010, 01:04 AM

Quote:

Originally Posted by Corts60

That's crazy. I would like to know the answer to this as well.

....well watch this space

3r!c84 · 09-05-2010, 08:19 AM

give it 24v that will start that mower up REALYY fast haha

ElGracho · 09-05-2010, 09:33 AM

Square body diesels (except military) are wired in parallel not series. Unless you have a bad battery cable, both batteries are electrically connected to the starter exactly the same. I'd say you had a bad connection.
Posted via Mobile Device

09-05-2010, 12:28 AM	#1
hitcher Registered User Join Date: Jul 2010 Location: lawton ok Posts: 190	diesel jumpstart question my ride on lawn mower is having some starting issues so ive been going redneck style and jump starting it with my 85 truck (gas) . however today i was jumping it with my 88 6.2 diesel and got absolutly nothing . both batterys on the truck are new and i have no problems starting the truck every day . i was jumping off the battery that isnt connected directly to the starter motor . i left the truck running for a good 5 minutes but the mower didnt wanna know . put my 85 gas truck on the mower which i hardly use and the mower started up right away . so what the heck is going on with jumping from the diesel ?????? . thanks

09-05-2010, 12:50 AM	#2
gchemist BAD BOW-Silverado XST Join Date: May 2000 Location: Senior Member from Austin, TX Posts: 6,431	Re: diesel jumpstart question Diesel trucks are wired in series. Gas trucks are different. __________________ Gerardo a.k.a. Mad Chemist Silverado XST videos

09-05-2010, 12:56 AM	#4
Corts60 Just here to tinker Join Date: Jun 2008 Location: Holland, MI Posts: 3,692	Re: diesel jumpstart question That's crazy. I would like to know the answer to this as well. __________________ 78 C10 SWB Diesel #1 (wrecked)http://67-72chevytrucks.com/vboard/s...1978+silverado 78 C10 SWB Diesel #2 (sold)http://67-72chevytrucks.com/vboard/s...d.php?t=650751 60 GMC Suburban (sold)http://67-72chevytrucks.com/vboard/s...d.php?t=445526 60 GMC 1000 (sold)http://67-72chevytrucks.com/vboard/s...d.php?t=298235 67 GMC 1500 (sold) http://67-72chevytrucks.com/vboard/s...d.php?t=803695 86 Suburban(summer unit) http://67-72chevytrucks.com/vboard/s...d.php?t=810697 88 Suburban 4x4(winter unit)https://67-72chevytrucks.com/vboard/...25#post8900725

09-05-2010, 08:19 AM	#6
3r!c84 Badass Join Date: Jan 2009 Location: lox. fl Posts: 4,586	Re: diesel jumpstart question give it 24v that will start that mower up REALYY fast haha __________________ Think outside the box? -84c10 (1stcar)→My Build← -00 Saturn 5spd drop a gear and disappear! 1/4:13:90

09-05-2010, 09:33 AM	#7
ElGracho Gentleman Jim Driver Join Date: Nov 2002 Location: Poulsbo, WA Posts: 1,550	Re: diesel jumpstart question Square body diesels (except military) are wired in parallel not series. Unless you have a bad battery cable, both batteries are electrically connected to the starter exactly the same. I'd say you had a bad connection. Posted via Mobile Device __________________ Joe '75 GMC Gentleman Jim '84 Chev C10 Short Wide - Super duper plain (manual steering, manual brakes, no dome light, no cig lighter) '85 Chev C10 Short Wide - Super plain Vortec 4.8 4L60E trans also: '81 K30, '83 C30 Crew Dually, '84 M1028 CUCV, '85 M1009 CUCV, another '85 C10 SWB, '89 R3500 Flatbed



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